AMERICAN CENTURY MUTUAL FUNDS INC
497K3B, 1999-04-22
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[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

Vista Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   thefund,  including a more detailed  description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

[three  photos of  bubble  blowing  woman  and  child,  business  men,  woman at
computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




VISTA FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Vista  seeks  long-term  capital  growth by  investing  primarily  in common
    stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  look for  stocks of  companies  that they  believe  will
    increase in value over time. A majority of the stocks selected are issued by
    medium-  and  smaller-sized  companies,  although  the fund may own stock of
    larger companies,  too. The fund managers use a growth  investment  strategy
    developed by American  Century that looks for companies  whose  earnings and
    revenues are not only  growing,  but growing at a  successively  faster,  or
    accelerating,  pace.  Accelerating  growth is shown, for example,  by growth
    that is faster  this  quarter  than  last or faster  this year than the year
    before.

    Using American  Century's  extensive  computer  database,  the fund managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe will be able to sustain  accelerating growth.
    This strategy is based on the premise that,  over the long term,  the stocks
    of   companies   with   accelerating    earnings   and   revenues   have   a
    greater-than-average chance to increase in value. This aggressive investment
    strategy,  which pursues superior  long-term returns for fund  shareholders,
    also results in the risks described in the next section.

    The fund managers do not attempt to time the market. Instead, they intend to
    keep Vista  essentially  fully invested in stocks regardless of the movement
    of  stock  prices  generally.  When  the fund  managers  believe  that it is
    prudent,  they also may invest assets in non-leveraged  futures and options.
    "Non-leveraged"  means that the fund may not invest in futures  and  options
    where it would be possible to lose more than the fund invested.  Futures and
    options can help the fund's cash assets remain liquid while  performing more
    like stocks.

    Additional  information about Vista's investments is available in its annual
    and semiannual  reports.  In these reports you will find a discussion of the
    market conditions and investment strategies that significantly  affected the
    fund's  performance  during the most recent fiscal period. You may get these
    reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * The value of Vista's  shares  depends on the value of the stocks and other
    securities it owns.  The value of the  individual  securities  that the fund
    owns will go up and down depending on the  performance of the companies that
    issued  them,   general  market  and  economic   conditions,   and  investor
    confidence.

    * The fund  managers will buy a large amount of a company's  stock  quickly,
    and often will dispose of it quickly if the  company's  earnings or revenues
    decline.  While the fund managers believe this strategy provides substantial
    appreciation potential over the long term, in the short term it can create a
    significant amount of share price volatility. This volatility can be greater
    than that of the average stock fund.

    * As with all funds, at any given time the value of your shares of Vista may
    be worth more or less than the price you paid.  If you sell your shares when
    the value is less than the price you paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    * Market  performance  tends to be  cyclical  and,  in the  various  cycles,
    certain investment styles may fall in and out of favor. If the market is not
    favoring  the fund's  style,  the fund's  gains may not be as big as, or its
    losses may be bigger than,  other equity  funds using  different  investment
    styles.

    * Because Vista  generally  invests in smaller  companies than our similarly
    managed  Ultra and Growth  funds,  it may be more  volatile,  and subject to
    greater short-term risk, than those funds.

    * Although  the fund  managers  invest the fund's  assets  primarily in U.S.
    stocks,  Vista can  invest  in  securities  of  foreign  companies.  Foreign
    securities can have certain unique risks, including fluctuations in currency
    exchange  rates,   unstable  political  and  economic  structures,   reduced
    availability of public information,  and lack of uniform financial reporting
    and regulatory practices similar to those that apply to U.S. issuers.


Vista                                             American Century Investments


    In summary,  Vista is intended  for  investors  who seek  long-term  capital
    growth  through an aggressive  equity fund and who are willing to accept the
    risks associated with the fund's investment strategy.

    FUND PERFORMANCE

    The following  bar chart shows the actual  performance  of Vista's  Investor
    Class shares for each of the last 10 calendar years. The bar chart indicates
    the volatility of the fund's  historical  returns from year to year. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998       -14.25%
         1997         8.68%
         1996         7.56%
         1995        46.13%
         1994         4.68%
         1993         5.45%
         1992        -2.13%
         1991        73.69%
         1990       -15.73%
         1989        52.20%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Vista's year-to-date return was 3.10%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Vista                     33.24% (1Q 1991)        -29.82% (3Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class shares for the periods  indicated.  The Russell 2500 Growth Index,  an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                             1 YEAR     5 YEARS     10 YEARS    LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
         Vista              -17.63%       7.42%       10.35%        10.11%
         Russell 2500
          Growth Index       -8.22%      12.84%       12.74%        N/A(2)

        (1) The inception date for the fund is November 25, 1983.

        (2) Benchmark began January 1, 1986.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.


     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee                            1.00%
               Distribution and Service (12b-1) Fees      None
               Other Expenses(1)                         0.00%
               Total Annual Fund Operating Expenses      1.00%

        (1) Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

                     1 year         3 years         5 years       10 years
                      $102            $318            $551         $1,219

                     Of course,  actual  costs may be higher or lower.  Use this
                     example to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together to manage its mutual  funds.  The  portfolio  managers on the Vista
    team are identified as follows:


Fund Profile                                                            Vista


    GLENN A. FOGLE, Vice President and Portfolio  Manager,  has been a member of
    the team that manages Vista since March 1993. He joined American  Century in
    September  1990 as an Investment  Analyst.  He has a bachelor of arts and an
    MBA from Texas Christian University. He is a Chartered Financial Analyst.

    ARNOLD K. DOUVILLE,  Vice President and Portfolio Manager, has been a member
    of the team that manages  Vista since joining  American  Century in November
    1997. Before joining American Century, he served as Senior Portfolio Manager
    for Munder Capital  Management from September 1989 to October 1997. He has a
    bachelor's degree in economics from the U.S. Air Force Academy and an MBA in
    finance, statistics and economics from the University of Chicago.

6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your  initial  investment  must be at least $2,500  ($1,000 for  traditional
    IRAs,  Roth IRAs and UGMA/UTMA  accounts)  unless you establish an automatic
    investment  plan of at least  $50 per  month.  If your  redemption  activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling  us.  You also may  exchange  your  shares in Vista for shares in
    nearly 70 other mutual funds offered by American  Century.  Depending on the
    options you select when you open your account,  some restrictions may apply.
    For your protection, some redemption requests require a signature guarantee

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Vista pays  distributions  of  substantially  all of its income and realized
    capital gains once a year, usually in December. Distributions may be taxable
    as ordinary income, capital gains or a combination of the two. Capital gains
    are taxed at different  rates  depending on the length of time the fund held
    the securities that were sold. Distributions are reinvested automatically in
    additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American  Century  offers  several  ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16099   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

Balanced Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   thefund,  including a more detailed  description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

    [three  photos of bubble  blowing woman and child,  business  men,  woman at
    computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

  You may obtain the Prospectus and other  information about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




BALANCED FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Balanced  seeks  long-term  capital  growth and current  income by investing
    approximately  60% of the  fund's  assets  in equity  securities,  while the
    remainder is invested in bonds and other fixed-income securities.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    With the equity portion of the Balanced portfolio, the fund managers utilize
    quantitative  management techniques in a two-step process that draws heavily
    on computer  technology.  In the first step,  the fund managers rank stocks,
    primarily the 1,500 largest  publicly traded  companies in the United States
    (measured by the value of their  stock).  These  rankings are  determined by
    using a computer model that combines measures of a stock's value, as well as
    measures of its growth potential.  To measure value, the managers use ratios
    of stock  price-to-book value and stock price-to-cash flow, among others. To
    measure  growth,  the managers use,  among  others,  the rate of growth of a
    company's earnings and changes in its earnings estimates.

    In  the  second  step,  the  managers  use  a  technique   called  portfolio
    optimization.  In portfolio optimization,  the managers use a computer model
    to build a portfolio of stocks from the ranking  described earlier that they
    think will provide the optimal balance between risk and expected return. The
    goal is to create an equity  portfolio that provides better returns than the
    S&P 500 without taking on significant additional risk.

    The  fixed-income   portion  of  the  fund's  portfolio  is  invested  in  a
    diversified portfolio of high-grade government,  corporate, asset-backed and
    similar securities  payable in U.S.  currency,  with a minimum of 25% of the
    fund's  assets  in  fixed-income  senior  securities.  At  least  80% of the
    fixed-income  assets  will be invested in  securities  that,  at the time of
    purchase,  are rated  within the three  highest  categories  by a nationally
    recognized  statistical  rating  organization.  The remaining portion may be
    invested in  securities  rated in the fourth and fifth  highest  categories.
    Under  normal  market  conditions  the  weighted  average  maturity  for the
    fixed-income portfolio will be in the three- to 10-year range.

    Additional  information  about  Balanced's  investments  is available in its
    annual and semiannual  reports.  In these reports you will find a discussion
    of the  market  conditions  and  investment  strategies  that  significantly
    affected the fund's  performance  during the most recent fiscal period.  You
    may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * The value of Balanced's  shares depends on the value of the stocks,  bonds
    and other securities it owns. The value of the individual  equity securities
    that the fund owns will go up and down  depending on the  performance of the
    companies  that issued them,  general  market and economic  conditions,  and
    investor confidence. The value of the fund's fixed-income securities will be
    affected  primarily by rising or falling  interest  rates and the  continued
    ability of the issuers of these  securities to make payments of interest and
    principal as they become due.

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline.  The interest rate risk is
    higher  for  Balanced  than for funds  that have  shorter  weighted  average
    maturities, such as money market and short-term bond funds.

    * Market  performance  tends to be  cyclical  and,  in the  various  cycles,
    certain investment styles may fall in and out of favor. If the market is not
    favoring  the fund's  style,  the fund's  gains may not be as big as, or its
    losses may be bigger than, other funds using different investment styles.

    * As with all funds,  at any given time the value of your shares of Balanced
    may be worth more or less than the price you paid.  If you sell your  shares
    when the value is less than the price you paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.


Balanced                                      American Century Investments


    * Although  the fund  managers  invest the fund's  assets  primarily in U.S.
    stocks,   Balanced  can  invest  in  securities  of  foreign  companies  and
    governments.  Foreign  securities can have certain  unique risks,  including
    fluctuations  in currency  exchange rates,  unstable  political and economic
    structures,  reduced availability of public information, and lack of uniform
    financial reporting and regulatory  practices similar to those that apply to
    U.S. issuers.

    In summary,  Balanced is intended for investors who want an investment  that
    combines the potential for long-term capital growth with the income produced
    from a portfolio of intermediate-term  fixed-income securities,  and who are
    willing to accept the risks associated with the fund's investment strategy.

    FUND PERFORMANCE

    The following bar chart shows the actual performance of Balanced's  Investor
    Class shares for each of the last 10 calendar years. The bar chart indicates
    the volatility of the fund's  historical  returns from year to year. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998         16.29%
         1997         16.93%
         1996         12.61%
         1995         21.37%
         1994         -0.07%
         1993          7.24%
         1992         -6.06%
         1991         46.86%
         1990          1.82%
         1989         25.61%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Balanced's year-to-date return was -0.32%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Balanced                  15.95% (4Q 1991)        -11.22% (3Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class  shares for the  periods  indicated.  The S&P 500 Index and the Lehman
    Aggregate Bond Index, unmanaged indices that reflect no operating costs, are
    blended as a benchmark for performance comparisons. The fund's benchmark was
    changed to the Lehman  Aggregate Bond Index beginning  November 1, 1998. The
    fund's advisor believes this index better  represents the broad U.S. taxable
    bond  market.  The  Lehman  Aggregate  Bond Index  includes  mortgage-backed
    securities, while the fund's previous index did not.

                              1 YEAR      5 YEARS     10 YEARS   LIFE OF FUND(1)

     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)

        Balanced               7.40%       13.22%       13.09%         12.63%

        S&P 500               18.42%       26.19%       18.92%         18.72%

        Lehman Intermediate
        Government/
        Corporate Index        6.57%        7.00%        8.38%       8.07%(4)

        Blended Index(2)      13.70%       18.55%       14.73%      14.60%(4)

        Lehman Aggregate
        Bond Index             6.49%        7.79%        9.08%       8.70%(4)

        Blended Index(3)      13.67%       18.87%       15.01%      14.86%(4)

        (1) The inception date for Balanced is October 20, 1988.

        (2) The Blended  Index is a  combination  of two widely known indices in
        proportion to the approximate asset mix of the fund. Accordingly, 60% of
        the  Blended  Index  consists of the  performance  of the S&P 500 Index,
        which  represents the equity portion of the fund, and 40% of the Blended
        Index consists of the Lehman  Intermediate  Government/Corporate  Index,
        which represents the fixed-income portion.

        (3) The Blended  Index is a  combination  of two widely known indices in
        proportion to the approximate asset mix of the fund. Accordingly, 60% of
        the  Blended  Index  consists of the  performance  of the S&P 500 Index,
        which  represents the equity portion of the fund, and 40% of the Blended
        Index consists of the Lehman Aggregate Bond Index,  which represents the
        fixed-income portion.

        (4) Benchmark from October 31, 1988.


Fund Profile                                                       Balanced


4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.


     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee                                 1.00%
               Distribution and Service (12b-1) Fees           None
               Other Expenses(1)                              0.00%
               Total Annual Fund Operating Expenses           1.00%

        (1) Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below 
             * earn a 5% return each year 
             * incur the same operating expenses as shown above

             . . . your cost of investing in the fund would be:

                      1 year      3 years       5 years        10 years
                       $102         $318          $551          $1,219

                     Of course,  actual  costs may be higher or lower.  Use this
                     example to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together to manage its mutual funds. The portfolio  managers on the Balanced
    team are identified as follows:

    JOHN  SCHNIEDWIND,  Senior  Vice  President  and Group  Leader--Quantitative
    Equity,  has been a member of the team that manages  Balanced since November
    1998. He joined American Century in 1982 and also supervises other portfolio
    management teams. He has a bachelor of science from Purdue University and an
    MBA  in  finance  from  the  University  of  California.  He is a  Chartered
    Financial Analyst.

    JEFFREY R. TYLER,  Senior Vice President and Portfolio  Manager,  has been a
    member of the team that manages  Balanced  since  November 1998. He has been
    with  American  Century as a portfolio  manager since January 1988. He has a
    bachelor's  degree in business  economics  from the University of California
    and an MBA in finance and economics from  Northwestern  University.  He is a
    Chartered Financial Analyst.

    JEFFREY L. HOUSTON,  Vice President and Portfolio Manager, has been a member
    of the team that  manages  Balanced  since  June  1995.  He joined  American
    Century  as an  Investment  Analyst in  November  1990 and was  promoted  to
    Portfolio  Manager  in  1994.  He has a  bachelor  of arts  degree  from the
    University  of  Delaware  and  an  MPA  from  Syracuse  University.  He is a
    Chartered Financial Analyst.

    JOHN F. WALSH, Portfolio Manager, has been a member of the team that manages
    Balanced since January 1999. He joined American  Century in February 1996 as
    an Investment  Analyst.  Prior to joining American Century,  he served as an
    Assistant Vice President and Analyst at First  Interstate Bank, Los Angeles,
    California,  from July 1993 to January 1996.  He has a bachelor's  degree in
    marketing  from  Loyola  Marymount  and  an MBA in  finance  from  Creighton
    University.


Balanced                                          American Century Investments


6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your  initial  investment  must be at least $2,500  ($1,000 for  traditional
    IRAs,  Roth IRAs and UGMA/UTMA  accounts)  unless you establish an automatic
    investment  plan of at least  $50 per  month.  If your  redemption  activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may  exchange  your shares in Balanced for shares in
    nearly 70 other mutual funds offered by American  Century.  Depending on the
    options you select when you open your account,  some restrictions may apply.
    For your protection, some redemption requests require a signature guarantee

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Balanced pays  distributions of substantially  all of its income  quarterly.
    Distributions  from realized capital gains are paid once a year,  usually in
    December.  Distributions may be taxable as ordinary income, capital gains or
    a  combination  of the two.  Capital  gains  are  taxed at  different  rates
    depending on the length of time the fund held the securities that were sold.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.


Fund Profile                                                       Balanced


[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]

SH-PRF-16105   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

High-Yield Fund


This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   thefund,  including a more detailed  description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

    [three  photos of bubble  blowing woman and child,  business  men,  woman at
    computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




HIGH-YIELD FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    High-Yield seeks high current income by investing in a diversified portfolio
    of  high-yielding  corporate  bonds,  debentures  and notes.  As a secondary
    objective,  the fund seeks capital  appreciation,  but only when  consistent
    with the primary objective of maximizing current income.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers  invest the fund's assets  primarily in  lower-rated  debt
    securities,  which are subject to greater credit risk and  consequently  pay
    higher  yields.  Securities  of this type are subject to  substantial  risks
    including  price  volatility,  liquidity  risk and default risk.  You should
    carefully assess the risks associated with an investment in the fund.

    Under normal market conditions, the fund managers will maintain at least 80%
    of the fund's total assets in  high-yielding  corporate bonds and other debt
    instruments (including convertible and preferred securities).  The remaining
    assets may be invested in common stocks or other equity-related  securities.
    The fund managers buy securities that are below investment grade,  including
    so-called junk bonds. Issuers of these securities often have short financial
    histories or have questionable credit.

    Up to 40% of the  fund's  total  assets  may  be  invested  in  fixed-income
    obligations of foreign issuers. Under normal market conditions, the fund may
    invest up to 20% of its assets, and for temporary defensive purposes,  up to
    100% of its assets, in short-term money market instruments.

                        AUTHORIZED CREDIT QUALITY RANGES
                                   A-1 A-2 A-3
       P-1               P-2      P-3
     MIG-1             MIG-2    MIG-3
      SP-1              SP-2     SP-3
       AAA     AA          A      BBB      BB     B     CCC     CC     C     D
                               ---------[black bar]---------
    -------------------------------[gray bar]-----------------------------------

    [gray bar] Denotes authorized quality

    [black bar] Denotes  expected  quality range of at least 80% of total assets
    of the fund


    Additional  information about  High-Yield's  investments is available in its
    annual and semiannual  reports.  In these reports you will find a discussion
    of the  market  conditions  and  investment  strategies  that  significantly
    affected the fund's  performance  during the most recent fiscal period.  You
    may get these reports at no cost by calling us.


3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * The value of High-Yield's shares depends on the value of the securities it
    owns and the income they  produce.  When interest  rates change,  the fund's
    share value will be  affected.  Generally,  when  interest  rates rise,  the
    fund's share value will decline.  The opposite is true when  interest  rates
    decline.  This  interest rate risk is higher for  High-Yield  than for funds
    that have  shorter  weighted  average  maturities,  such as money market and
    short-term bond funds.

    * Issuers of high-yield  securities are more vulnerable to real or perceived
    economic  changes  (such as an economic  downturn  or a prolonged  period of
    rising interest rates),  political changes or adverse developments  specific
    to the issuer. Adverse economic, political or other developments may be more
    likely to cause an issuer of lower-quality bonds to default on its principal
    and interest obligations.

    * The market for lower-quality  securities is generally less liquid than the
    market for higher-quality securities.

    * Adverse  publicity  and investor  perceptions,  as well as new or proposed
    laws,   also  may  have  a  greater   negative  impact  on  the  market  for
    lower-quality securities.

    *  High-Yield  can invest up to 40% of its assets in  securities  of foreign
    companies.  Foreign  securities  can have certain  unique  risks,  including
    fluctuations  in currency  exchange rates,  unstable  political and economic
    structures,  reduced  availability  of public  information,  and the lack of
    uniform financial  reporting and regulatory  practices similar to those that
    apply to U.S. issuers.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    High-Yield  may be worth  more or less than the price you paid.  If you sell
    your  shares  when the value is less than the price you paid,  you will lose
    money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.


High-Yield                                       American Century Investments


    In summary,  High-Yield is intended for investors who seek current income by
    investing in a  diversified  portfolio  of  high-yielding  corporate  bonds,
    debentures and notes and who are willing to accept the risks associated with
    the fund's investment strategy.

    FUND PERFORMANCE

    The  following  bar  chart  shows the  actual  performance  of  High-Yield's
    Investor  Class shares for each calendar year since the fund's  inception on
    September 30, 1997.  The bar chart  indicates  the  volatility of the fund's
    historical  returns  from year to year.  The bar  chart and the  performance
    information  below are not intended to indicate how the fund will perform in
    the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998       -1.25%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, High-Yield's year-to-date return was 3.63%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    High-Yield                4.86% (1Q 1998)         -7.18% (3Q 1998)

    The following  table shows the average annual return of the fund's  Investor
    Class  shares  for the  periods  indicated.  The DLJ High  Yield  Index,  an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons. For current performance information,  including
    yields, please call us or access our Web site.

                                    1 YEAR        LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
       High-Yield                   -2.41%            2.77%

       DLJ High Yield Index         -0.73%            3.00%

     (1) The inception date for High-Yield is September 30, 1997.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                  0.90%
           Distribution and Service (12b-1) Fees            None
           Other Expenses(1)                               0.00%
           Total Annual Fund Operating Expenses            0.90%

        (1 )Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below 
             * earn a 5% return each year 
             * incur the same operating expenses as shown above

             . . . your cost of investing in the fund would be:

                1 year      3 years      5 years         10 years
                   $92         $286         $497           $1,104

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,   assistant  portfolio  managers  and  analysts  acting
    together  to  manage  its  mutual  funds.  The  portfolio  managers  on  the
    High-Yield team are identified as follows:


Fund Profile                                                      High-Yield


    NORMAN E. HOOPS,  Senior Vice  President and Portfolio  Manager,  has been a
    member of the team that manages  High-Yield  since its inception.  He joined
    American  Century as Vice President and Portfolio  Manager in November 1989.
    In April 1993,  he became Senior Vice  President.  He has a bachelor of arts
    from Indiana University and an MBA from Butler University.

    THERESA C. FENNELL,  Vice President and Portfolio Manager, has been a member
    of the team that manages High-Yield since its inception. She joined American
    Century  in  June  1997.  Prior  to  joining  American  Century,  she was an
    Assistant Portfolio Manager with Smith Barney Mutual Funds Management,  Inc.
    She has a bachelor's degree in economics from the University of Virginia.

6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500 ($1,000 for traditional IRAs
    and Roth IRAs). If your redemption activity causes the value of your account
    to  fall  below  this   account   minimum,   your  shares  may  be  redeemed
    involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may exchange your shares in High-Yield for shares in
    nearly 70 other mutual funds offered by American  Century.  Depending on the
    options you select when you open your account,  some restrictions may apply.
    For your protection, some redemption requests require a signature guarantee

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    High-Yield pays  distributions of  substantially  all of its income monthly.
    Distributions  from realized capital gains are paid once a year,  usually in
    December.  Distributions may be taxable as ordinary income, capital gains or
    a  combination  of the two.  Capital  gains  are  taxed at  different  rates
    depending on the length of time the fund held the securities that were sold.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS 1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16113   9904                                     Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

Limited-Term Bond Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   thefund,  including a more detailed  description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

    [three  photos of bubble  blowing woman and child,  business  men,  woman at
    computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS


 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




LIMITED-TERM BOND FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Limited-Term Bond seeks income from investments in corporate bonds and other
    debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund buys quality, short-term corporate bonds and other debt securities.
    Corporate  bonds  generally  are issued by  companies  to  finance  existing
    operations or to expand their business. Under normal market conditions,  the
    fund  managers  will  invest most of the fund's  assets in  investment-grade
    securities.  The  remainder  will be invested  in  short-term  money  market
    instruments.

    The fund managers  actively manage the fund,  adjusting its weighted average
    portfolio  maturity in response to expected  changes in interest  rates.  If
    interest  rates are expected to rise, the weighted  average  maturity of the
    fund will be  shortened  to protect  its net asset value from the effects of
    falling bond prices.  If interest  rates are expected to fall,  the weighted
    average  maturity  will  be  increased  to  take  advantage  of  potentially
    increasing bond prices.

    The  weighted  average  maturity of the fund is expected to be five years or
    less.

    Additional information about Limited-Term Bond's investments is available in
    its  annual  and  semiannual  reports.  In these  reports  you  will  find a
    discussion  of  the  market   conditions  and  investment   strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. This interest rate risk is
    higher  for  Limited-Term  Bond than for funds  that have  shorter  weighted
    average maturities, such as money market funds.

    * The fund may invest part of its assets in  securities  rated in the lowest
    investment-grade  category (e.g., Baa or BBB). Although these securities are
    considered  investment  grade,  the issuers are more likely to have problems
    making  interest  and  principal   payments  than  issuers  of  higher-rated
    securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    Limited-Term  Bond may be worth more or less than the price you paid. If you
    sell your  shares  when the value is less than the price you paid,  you will
    lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In  summary,  Limited-Term  Bond  is  intended  for  investors  who  seek  a
    competitive level of income with limited price volatility.

    FUND PERFORMANCE

    The following bar chart shows the actual performance of Limited-Term  Bond's
    Investor  Class shares for each calendar year since the fund's  inception on
    March  1,  1994.  The bar  chart  indicates  the  volatility  of the  fund's
    historical  returns  from year to year.  The bar  chart and the  performance
    information  below are not intended to indicate how the fund will perform in
    the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998         6.30%
         1997         6.41%
         1996         4.42%
         1995        10.94%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Limited-Term Bond's year-to-date return was 0.80%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Limited-Term Bond         3.20% (2Q 1995)         0.20% (1Q 1996)


Limited-Term Bond                             American Century Investments


    The following  table shows the average annual return of the fund's  Investor
    Class  shares for the  periods  indicated.  The  Merrill  Lynch 1- to 5-Year
    Government/Corporate  Index,  an unmanaged  index that reflects no operating
    costs, is included as a benchmark for performance  comparisons.  For current
    performance information,  including yields, please call us or access our Web
    site.

                                        1 YEAR       5 YEARS     LIFE OF FUND(1)

     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)

       Limited-Term Bond                 5.75%        5.82%           5.59%

       Merrill Lynch 1- to 5-Year
        Government/Corporate Index       6.48%        6.60%           6.29%

        (1) The inception date for Limited-Term Bond is March 1, 1994.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.


     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee                                        0.70%
               Distribution and Service (12b-1) Fees                  None
               Other Expenses(1)                                     0.00%
               Total Annual Fund Operating Expenses                  0.70%

        (1) Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.


           EXAMPLE

             Assuming you . . .

             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below 
             * earn a 5% return each year 
             * incur the same operating expenses as shown above

             . . . your cost of investing in the fund would be:

                   1 year             3 years         5 years         10 years
                    $71                $224            $389             $868

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to  manage  its  mutual  funds.  The  portfolio  managers  on  the
    Limited-Term Bond team are identified as follows:

    JEFFREY L. HOUSTON,  Vice President and Portfolio Manager, has been a member
    of the team that  manages  Limited-Term  Bond  since  June  1995.  He joined
    American  Century  as an  Investment  Analyst  in 1990 and was  promoted  to
    Portfolio  Manager in 1994. He has a bachelor of arts from the University of
    Delaware and an MPA from Syracuse  University.  He is a Chartered  Financial
    Analyst.

    JOHN F. WALSH, Portfolio Manager, has been a member of the team that manages
    Limited-Term Bond since January 1999. He joined American Century in February
    1996 as an Investment Analyst.  Prior to joining American Century, he served
    as an Assistant  Vice  President and Analyst at First  Interstate  Bank, Los
    Angeles  from July  1993 to  January  1996.  He has a  bachelor's  degree in
    marketing  from  Loyola  Marymount  and  an MBA in  finance  from  Creighton
    University.


Fund Profile                                              Limited-Term Bond


6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500 ($1,000 for traditional IRAs
    and Roth IRAs). If your redemption activity causes the value of your account
    to  fall  below  this   account   minimum,   your  shares  may  be  redeemed
    involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may exchange  your shares in  Limited-Term  Bond for
    shares  in  nearly  70 other  mutual  funds  offered  by  American  Century.
    Depending  on the  options  you  select  when you open  your  account,  some
    restrictions  may  apply.  For your  protection,  some  redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Limited-Term  Bond pays  distributions  of  substantially  all of its income
    monthly. Distributions may be taxable as ordinary income, capital gains or a
    combination of the two. Capital gains are taxed at different rates depending
    on the  length  of time  the  fund  held  the  securities  that  were  sold.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at  WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16115   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

Bond Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   the  fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

    [three  photos of bubble  blowing woman and child,  business  men,  woman at
    computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




BOND FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Bond seeks a high level of income from  investments  in corporate  bonds and
    other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund buys quality,  intermediate-  and  longer-term  corporate bonds and
    other debt securities.  Corporate bonds generally are issued by companies to
    finance existing operations or to expand their business. Under normal market
    conditions,  the fund  managers  will  invest  most of the fund's  assets in
    investment-grade  securities.  The remainder  will be invested in short-term
    money market instruments.

    The fund managers  actively manage the fund,  adjusting its weighted average
    portfolio  maturity in response to expected  changes in interest  rates.  If
    interest  rates are expected to rise, the weighted  average  maturity of the
    fund will be  shortened  to protect  its net asset value from the effects of
    falling bond prices.  If interest  rates are expected to fall,  the weighted
    average  maturity  will  be  increased  to  take  advantage  of  potentially
    increasing bond prices.

    Although there is no weighted average maturity requirement for this fund, it
    will  primarily  invest  in   intermediate-   and  long-term  bonds.  It  is
    anticipated  that under  normal  market  conditions,  the  weighted  average
    maturity will be between eight and 20 years.

    Additional  information about Bond's  investments is available in its annual
    and semiannual  reports.  In these reports you will find a discussion of the
    market conditions and investment strategies that significantly  affected the
    fund's  performance  during the most recent fiscal period. You may get these
    reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline.  The interest rate risk is
    higher  for  Bond  than  for  funds  that  have  shorter   weighted  average
    maturities,  such as money market and short-term and intermediate-term  bond
    funds.

    * The fund may invest part of its assets in  securities  rated in the lowest
    investment-grade  category (e.g., Baa or BBB). Although these securities are
    considered  investment  grade,  the issuers are more likely to have problems
    making  interest  and  principal   payments  than  issuers  of  higher-rated
    securities.

    * As with all funds,  at any given time the value of your shares of Bond may
    be worth more or less than the price you paid.  If you sell your shares when
    the value is less than the price you paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary,  Bond is intended for  investors  who seek higher income than is
    generally   provided  by  money  market  or  short-  and   intermediate-term
    securities and who can accept the greater price  volatility  associated with
    longer-term bonds.

    FUND PERFORMANCE

    The  following  bar chart shows the actual  performance  of Bond's  Investor
    Class shares for each of the last 10 calendar years. The bar chart indicates
    the volatility of the fund's  historical  returns from year to year. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998         6.56%
         1997         8.75%
         1996         2.43%
         1995        20.28%
         1994        -4.49%
         1993        10.15%
         1992         5.60%
         1991        17.50%
         1990         6.04%
         1989        13.97%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Bond's year-to-date return was -0.75%.


Bond                                          American Century Investments


    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Bond                      9.11% (2Q 1989)         -3.58% (1Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class shares for the periods indicated.  The Lehman Aggregate Bond Index, an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons. For current performance information,  including
    yields, please call us or access our Web site.

                              1 YEAR     5 YEARS     10 YEARS    LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
         Bond                  4.32%       6.95%        8.34%            7.41%
         Lehman Aggregate
           Bond Index          6.49%       7.79%        9.08%         8.29%(2)

        (1) The inception date for the fund is March 2, 1987.

        (2) Benchmark from February 28, 1987.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee                                   0.80%
               Distribution and Service (12b-1) Fees             None
               Other Expenses(1)                                0.00%
               Total Annual Fund Operating Expenses             0.80%

        (1) Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below 
             * earn a 5% return each year 
             * incur the same operating expenses as shown above

             . . . your cost of investing in the fund would be:

                    1 year         3 years        5 years          10 years
                     $82            $255           $443              $987

                Of course, actual costs may be higher or lower. Use this example
                to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together to manage its mutual funds. The portfolio managers of the Bond team
    are identified as follows:

    NORMAN E. HOOPS,  Senior Vice  President and Portfolio  Manager,  has been a
    member of the team that manages Bond since November 1989. He joined American
    Century as Vice  President and Portfolio  Manager in November 1989. In April
    1993,  he became  Senior  Vice  President.  He has a  bachelor  of arts from
    Indiana University and an MBA from Butler University.

    JEFFREY L. HOUSTON,  Vice President and Portfolio Manager, has been a member
    of the team that manages Bond since June 1995. He joined American Century as
    an Investment Analyst in 1990 and was promoted to Portfolio Manager in 1994.
    He has a bachelor of arts from the  University  of Delaware  and an MPA from
    Syracuse University. He is a Chartered Financial Analyst.


Fund Profile                                                              Bond


6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500 ($1,000 for traditional IRAs
    and Roth IRAs). If your redemption activity causes the value of your account
    to  fall  below  this   account   minimum,   your  shares  may  be  redeemed
    involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell a part of your fund  shares on any  business  day by writing or
    calling us. You also may  exchange  your shares in Bond for shares in nearly
    70 other mutual funds offered by American Century.  Depending on the options
    you select when you open your account, some restrictions may apply. For your
    protection, some redemption requests require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Bond  pays  distributions  of  substantially  all  of  its  income  monthly.
    Distributions  may  be  taxable  as  ordinary  income,  capital  gains  or a
    combination of the two. Capital gains are taxed at different rates depending
    on the  length  of time  the  fund  held  the  securities  that  were  sold.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765
FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16117   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo(reg. sm)]
AMERICAN
CENTURY

Intermediate-Term Bond Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
   thefund,  including a more detailed  description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

    [three  photos of bubble  blowing woman and child,  business  men,  woman at
    computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS


 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




INTERMEDIATE-TERM BOND FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Intermediate-Term  Bond seeks a competitive level of income from investments
    in corporate bonds and other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy quality,  short- to intermediate-term  corporate bonds
    and other debt securities. Corporate bonds generally are issued by companies
    to finance  existing  operations or to expand their  business.  Under normal
    market  conditions,  the fund managers will invest most of the fund's assets
    in investment-grade securities. The remainder will be invested in short-term
    money market instruments.

    The fund managers  actively manage the fund,  adjusting its weighted average
    portfolio  maturity in response to expected  changes in interest  rates.  If
    interest  rates are expected to rise, the weighted  average  maturity of the
    fund will be  shortened  to protect  its net asset value from the effects of
    falling bond prices.  If interest  rates are expected to fall,  the weighted
    average  maturity  will  be  increased  to  take  advantage  of  potentially
    increasing bond prices.

    The  weighted  average  maturity  of the fund is  expected to be three to 10
    years.

    Additional  information  about   Intermediate-Term   Bond's  investments  is
    available in its annual and  semiannual  reports.  In these reports you will
    find a discussion of the market  conditions and investment  strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. This interest rate risk is
    higher for Intermediate-Term  Bond than for funds that have shorter weighted
    average maturities, such as money market and short-term bond funds.

    * The fund may invest part of its assets in  securities  rated in the lowest
    investment-grade  category (e.g., Baa or BBB). Although these securities are
    considered  investment  grade,  the issuers are more likely to have problems
    making  interest  and  principal   payments  than  issuers  of  higher-rated
    securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    Intermediate-Term Bond may be worth more or less than the price you paid. If
    you sell your  shares  when the  value is less than the price you paid,  you
    will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary,  Intermediate-Term  Bond is intended  for  investors  who seek a
    higher level of current income than is generally available from shorter-term
    corporate and government  securities and who are willing to accept a greater
    degree of price fluctuation.

    FUND PERFORMANCE

    The following bar chart shows the actual  performance  of  Intermediate-Term
    Bond's  Investor  Class  shares  for each  calendar  year  since the  fund's
    inception on March 1, 1994.  The bar chart  indicates the  volatility of the
    fund's  historical  returns  from  year  to  year.  The  bar  chart  and the
    performance information below are not intended to indicate how the fund will
    perform in the future.

[bar chart]
    Calendar Year-By-Year Returns (1)
         1998          7.46%
         1997          8.20%
         1996          3.26%
         1995         15.12%

           (1) As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Intermediate-Term Bond's year-to-date return was -0.05%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Intermediate-Term Bond    4.77% (2Q 1995)         -1.38% (1Q 1996)


Intermediate-Term Bond                        American Century Investments


    The following  table shows the average annual return of the fund's  Investor
    Class   shares  for  the   periods   indicated.   The  Lehman   Intermediate
    Government/Corporate  Index,  an unmanaged  index that reflects no operating
    costs, is included as a benchmark for performance  comparisons.  For current
    performance information,  including yields, please call us or access our Web
    site.

                                    1 YEAR        5 YEARS       LIFE OF FUND(1)
    AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
      Intermediate-Term Bond         5.75%          6.72%            6.31%

      Lehman Intermediate
       Government/Corporate Index    6.57%          7.00%            6.53%

        (1) The inception date for Intermediate-Term Bond is March 1, 1994.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.


     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee                                 0.75%
               Distribution and Service (12b-1) Fees           None
               Other Expenses(1)                              0.00%
               Total Annual Fund Operating Expenses           0.75%

        (1) Other  expenses,  which  include the fees and expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below 
             * earn a 5% return each year 
             * incur the same operating expenses as shown above

             . . . your cost of investing in the fund would be:

                     1 year       3 years       5 years      10 years
                      $76          $239          $416          $928

             Of course, actual costs may be higher or lower. Use this example to
             compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together to manage its mutual  funds.  The  portfolio  manager who leads the
    team that manages Intermediate-Term Bond is identified as follows:

    JEFFREY L. HOUSTON,  Vice President and Portfolio Manager, has been a member
    of the team that manages  Intermediate-Term  Bond since June 1995. He joined
    American  Century  as an  Investment  Analyst  in 1990 and was  promoted  to
    Portfolio  Manager in 1994. He has a bachelor of arts from the University of
    Delaware and an MPA from Syracuse  University.  He is a Chartered  Financial
    Analyst.

6. HOW DO I BUY FUND SHARES?

    *  Complete and return the enclosed application

    *  Call us and exchange shares from another American Century fund

    *  Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500 ($1,000 for traditional IRAs
    and Roth IRAs). If your redemption activity causes the value of your account
    to  fall  below  this   account   minimum,   your  shares  may  be  redeemed
    involuntarily.


Fund Profile                                         Intermediate-Term Bond


7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may exchange your shares in  Intermediate-Term  Bond
    for shares in nearly 70 other  mutual  funds  offered by  American  Century.
    Depending  on the  options  you  select  when you open  your  account,  some
    restrictions  may  apply.  For your  protection,  some  redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Intermediate-Term Bond pays distributions of substantially all of its income
    monthly. Distributions may be taxable as ordinary income, capital gains or a
    combination of the two. Capital gains are taxed at different rates depending
    on the  length  of time  the  fund  held  the  securities  that  were  sold.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    * telephone transactions 
    * wire and electronic funds transfers 
    * 24-hour Automated Information Line transactions
    * 24-hour online Internet account access and transactions

    You will find more information  about these choices in our Investor Services
    Guide,  which you may  request  by  calling  us,  accessing  our Web site or
    visiting one of our Investor Centers.

    Information   contained  in  our  Investor   Services   Guide   pertains  to
    shareholders  who invest directly with American  Century rather than through
    an employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

[american century logo(reg. sm)]
AMERICAN
CENTURY

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16116   9904                                   Funds Distributor, Inc.


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