4

                              Securities and Exchange Commission
                                   Washington, D. C. 20549

                                      Schedule 13G
                           Under the Securities Exchange Act of 1934
                                    (Amendment No. 1)

                                     Amazon.com Inc.
                                       Common Stock
                                  CUSIP Number 023135106

Date of Event Which Requires Filing of this Statement:     December 31, 2004

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [ X ]    Rule 13d-1(b)
         [     ]  Rule 13d-1(c)
         [     ]  Rule 13d-1(d)

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CUSIP No. 023135106

         1)       Name of reporting person: Legg Mason Funds Management, Inc.
                 Tax Identification No.:
                  52-2268681

         2)       Check the appropriate box if a member of a group: a) x b) n/a

         3)       SEC use only

               4) Place of organization: Maryland

Number of shares beneficially owned by each reporting person with:
         5)     Sole voting power:          - 0 -
         6)     Shared voting power:                 38,073,017
         7)     Sole dispositive power:     - 0 -
         8)     Shared dispositive power:   38,073,017

         9)     Aggregate amount  beneficially owned by each reporting person:
                 38,073,017

         10)  Check if the aggregate amount in row (9) excludes certain shares:
                  n/a

         11)      Percent of class represented by amount in row (9): 9.33%

         12)      Type of reporting person: IA, CO

CUSIP No. 023135106

         1)       Name of reporting person: Legg Mason Capital Management, Inc.
               Tax Identification No.:
                   52-1268629

         2)       Check the appropriate box if a member of a group: a) x b) n/a

         3)       SEC use only

               4) Place of organization: Maryland

Number of shares beneficially owned by each reporting person with:
         5)     Sole voting power:          - 0 -
         6)     Shared voting power:        18,161,400
         7)     Sole dispositive power:     - 0 -
         8)     Shared dispositive power:   18,161,400

         9)     Aggregate amount  beneficially owned by each reporting person:
                  18,161,400

         10)  Check if the aggregate amount in row (9) excludes certain shares:
                  n/a

         11)      Percent of class represented by amount in row (9): 4.45%
         12)      Type of reporting person: IA, CO

CUSIP No. 023135106

          1)          Name of reporting person: LMM, LLC
                             Tax Identification No.:
                      52-2204753

         2)       Check the appropriate box if a member of a group: a) x b) n/a

         3)       SEC use only

               4) Place of organization: Maryland

Number of shares beneficially owned by each reporting person with:
         5)     Sole voting power:          - 0 -
         6)     Shared voting power:        6,500,000
         7)     Sole dispositive power:     - 0 -
         8)     Shared dispositive power:   6,500,000

         9)     Aggregate amount  beneficially owned by each reporting person:
                  6,500,000

         10)  Check if the aggregate amount in row (9) excludes certain shares:
                  n/a

         11)      Percent of class represented by amount in row (9): 1.59%

         12)      Type of reporting person: IA, OO

CUSIP No. 023135106

         1)       Name of reporting  person: Legg Mason Focus Capital,Inc.
                  Tax Identification No.:
                                   52-2311719

         2)       Check the appropriate box if a member of a group: a) x b) n/a

         3)       SEC use only

         4)       Place of organization: Maryland

Number of shares beneficially owned by each reporting person with:
         5)     Sole voting power:          - 0 -
         6)     Shared voting power:       52,700
         7)     Sole dispositive power:     - 0 -
         8)     Shared dispositive power:   52,700

         9)     Aggregate amount  beneficially owned by each reporting person:
                  52,700

         10) Check if the aggregate amount in row (9) excludes certain shares:
                  n/a

         11)      Percent of class represented by amount in row (9): 0.01%

         12)      Type of reporting person: IA, CO

CUSIP No. 023135106

         1)       Name of reporting person: Legg Mason Value Trust, Inc.
                 Tax Identification No.:
                  52-1250327
         2)                Check the  appropriate  box if a member of a group:
                             a) n/a b) n/a

         3)                  SEC use only

         4)                  Place of organization: Maryland

Number of shares beneficially owned by each reporting person with:
         5)   Sole voting power:            - 0 -
         6)   Shared voting power:          22,000,000
         7)   Sole dispositive power        - 0 -
         8)   Shared dispositive power:     22,000,000

         9)         Aggregate  amount  beneficially  owned  by each  reporting
                      person: 22,000,000

         10)        Check if the aggregate  amount in row (9) excludes certain
                      shares: n/a

         11)          Percent of class represented by amount in row (9): 5.39%

         12)          Type of reporting person: IV, CO
           - - - - - - - - - - - - - - - - - - - - - - - - - - -  - - - - - - -

         Item 1a)     Name of issuer:
                                 Amazon.com Inc.

         Item 1b)     Address of issuer's principal executive offices:
                           1200 12th Ave. South, Ste 1200
                           Seattle, WA  98144

         Item 2a)    Name of person filing:
                           Legg Mason Funds Management, Inc.
                           Legg Mason Capital Management, Inc.
                           LMM, LLC
                           Legg Mason Focus Capital, Inc.

         Item 2b) Address of principal business office:
                           100 Light Street
                           Baltimore, MD  21202

         Item 2c)    Citizenship:
           Legg Mason Funds Management, Inc. - Maryland corporation
           Legg Mason Capital Management, Inc. - Maryland corporation
           LMM, LLC - Maryland limited liability company
           Legg Mason Focus Capital, Inc. - Maryland corporation

         Item 2d) Title of class of securities:
                                  Common Stock

         Item 2e)    CUSIP number:     023135106

         Item 3)     If this statement is filed pursuant to Rule 13d-1(b),
                     or 13d-2(b), check whether the person filing is a :
        (a) [ ] Broker or dealer  under  Section 15 of the Act. (b) [ ] Bank as
        defined in Section  3(a)(6) of the Act.  (c) [ ]  Insurance  Company as
        defined  in  Section  3(a)(6) of the Act.  (d) [ ]  Investment  Company
         registered under Section 8 of the Investment
                                  Company Act.
        (e)  [ ]  Investment  Adviser  registered  under  Section  203  of  the
         Investment Advisers Act of 1940.
        (f) [ ] Employee  Benefit Plan,  Pension Fund which is subject to ERISA
         of 1974 or Endowment Funds; see 240.13d-1(b)(ii)(F).
        (g) [ ] Parent holding company, in accordance with 240.13d-1(b)(ii)(G),
         (h) [X] Group, in accordance with 240.13d-1(b)(1)(ii)(J).

         Item 4)    Ownership:

         (a)      Amount beneficially owned: 62,787,117

         (b)      Percent of Class: 15.39%

         (c)     Number of shares as to which such person  has:  (i) sole power
                  to vote or to direct the vote:
                                    -  0 -
                  (ii)             shared  power to vote or to direct the vote:
                                    62,787,117
                  (iii)            sole  power  to  dispose  or to  direct  the
                                   disposition of: - 0 -
                  (iv)             shared  power to  dispose  or to direct  the
                                    disposition of: 62,787,117

         Item 5) Ownership of Five Percent or less of a class:
                           n/a

        Item 6)  Ownership  of more than  Five  Percent  on  behalf of  another
person:

                          Various accounts  managed by the investment  advisers
                           identified  in Item 8 have the right to  receive  or
                           the power to direct the receipt of  dividends  from,
                           or the  proceeds  from  the  sale of  shares  of the
                           issuer.

                          The interest of one account,  Legg Mason Value Trust,
                           Inc.  an  investment  company  registered  under the
                           Investment  Company  Act of 1940 and managed by Legg
                           Mason Funds Management, Inc., amounted to 22,000,000
                            shares or 5.39% of the total shares outstanding.

        Item 7)  Identification  and  classification  of the  subsidiary  which
         acquired the security being reported on by the parent holding company:
                           n/a

         Item 8)    Identification and classification of members of the group:
                      a.   Legg Mason Funds Management, Inc.-investment adviser
                      b.   Legg Mason Capital Management, Inc.-investment
                                 adviser
                      c.   LMM, LLC-investment adviser
                      d.   Legg Mason Focus Capital, Inc.- investment adviser

         Item 9) Notice of dissolution of group:
                           n/a

         Item 10)   Certification:

                 By signing  below I certify  that, to the best of my knowledge
        and belief, the securities referred to above were acquired and are held
        in the  ordinary  course of business  and were not acquired and are not
        held for the purpose of or with the effect of  changing or  influencing
        the control of the issuer of the  securities  and were not acquired and
        are not held in connection with or as a participant in any transaction 
        having that purpose or effect.

                                    Signature
                                    -----------

                 After  reasonable  inquiry and to the best of my knowledge and
         belief,  I certify that the information set forth in this statement is
         true, complete and correct.

         --------------------------------
         Date - February 14, 2005

         Legg Mason Funds Management, Inc.


         By___________________________________________
                 Jennifer Murphy, Senior Vice President

         Legg Mason Capital Management, Inc.


         By___________________________________________
                 Andrew J. Bowden, Senior Vice President

         LMM, LLC


         By____________________________________________
                 Jennifer Murphy, Chief Operations Officer

         Legg Mason Focus Capital, Inc.


         By____________________________________________
                 Robert G. Hagstrom, President


                                      Exhibit A
                              Joint Filing Agreement
                         --------------------------------------

                 This Joint  Filing  Agreement  confirms  the  agreement by and
        among the  undersigned  that the Schedule 13G is filed on behalf of (i)
        each  member  of the  group  identified  in Item 8 and (ii)  the  other
        reporting  person(s)  identified  in  Item 6  that  may  be  deemed  to
        beneficially  own more than five  percent of the  issuer's  outstanding
        equity securities.


         Legg Mason Funds Management, Inc.


         By__________________________________________________
         Jennifer Murphy, Senior Vice President

         Legg Mason Capital Management, Inc.


         By__________________________________________________
         Andrew J. Bowden, Senior Vice President

         LMM, LLC


         By__________________________________________________
         Jennifer Murphy, Chief Operations Officer

         Legg Mason Focus Capital, Inc.


         By__________________________________________________
         Robert G. Hagstrom, President

         Legg Mason Value Trust, Inc.


         By___________________________________________________
         Gregory T. Merz, Vice President