SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                Form 12b-25

                        NOTIFICATION OF LATE FILING

  X    Form 10-K      Form 20-F    Form 11-K    Form 10-Q    Form N-SAR
 ----            ----          ----         ----         ----

                       Commission file number 0-30653
                                             --------

                    Secured Diversified Investment, Ltd.
                   -------------------------------------
                          Full Name of Registrant

                        Book Corporation of America
                        ----------------------------
                         Former Name of Registrant

                        1000 Quail Street, Suite 190
                       -----------------------------
         Address of Principle Executive Offices (street and number)

                      Newport Beach, California 92660
                      --------------------------------
                          City, State and Zip Code

Part II - Rules 12b-25 (b) and (c)

     If the subject could be filed without unreasonable effort or expense
and the Registrant seeks relief pursuant to Rule 12b-25 (b), the following
should be completed.  (Check if appropriate).

  X       (a)  The reasons described in reasonable detail in Part III of
-----     this form could not be eliminated without unreasonable effort of
          expense;

  X       (b)  The subject annual report, semi-annual report, transition
-----     report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR, or portion
          thereof, will be filed on or before the fifteenth calendar day
          following the prescribed due date; or the subject quarterly
          report or transition report on Form 10-Q, or portion thereof will
          be filed on or before the fifth calendar day following the
          prescribed due date; and

          (c)  The accountant's statements or other exhibit required by
-----     Rule 12b-25 (c) has been attached if applicable.





Part III - Narrative

     State below in reasonable detail the reasons why Form 10-K, 10-KSB,
     20-F, 11-K, 10-Q, 10-QSB, N-SAR, or the transition report or portion
     thereof, could not be filed within the prescribed time period.

     The Company has been unable to complete its annual financial
     statements because the Registrant's independent accountants' audit
     procedures are not completed.

Part IV - Other Information

1.   Name and telephone number of person to contact in regard to this
     notification

     Cliff Strand                  (949)                851-1069
     ---------------------         -----               ----------
     Name                          Area Code           Telephone Number


2.   Have all other reports required under Section 13 or 15 (b) of the
     Securities and Exchange Act of 1934 or Section 30 or the Investments
     Act of 1940 during the preceding 12 months (or for such shorter)
     period that the Registrant was required to file such reports been
     filed?  If answer is no, identify report(s).

       X   Yes      No
     -----     -----

3.   Is it anticipated that any significant change in results of operations
     from the corresponding period for the last fiscal year will be
     reflected by the earnings statements to be included in the subject
     report or portion thereof?

           Yes    X  No
     -----     -----

     If so, attach an explanation of the anticipated change, both
     narratively and quantitatively, and, if appropriate, state the reasons
     why a reasonable estimate of the results cannot be made.


                    Secured Diversified Investment, Ltd.
                    ------------------------------------
                (Name of Registrant as Specified in Charter)

     has caused this notification to be signed on its behalf by the
undersigned hereunto duly authorized.

Date: January 30, 2003        By:  /s/ Clifford L. Strand
                                   -----------------------------
                                   Clifford L. Strand, President