EXHIBIT 10.23

                           ASSUMPTION OF DEED OF TRUST
                           AND MODIFICATION AGREEMENT


      THIS ASSUMPTION OF DEED OF TRUST AND MODIFICATION AGREEMENT (this
"Agreement") is made as of July 12, 2002 by and between THE ARISTOTLE
CORPORATION, a Delaware corporation ("Trustor"), successor-by-merger to NASCO
INTERNATIONAL, INC., a Wisconsin corporation ("Nasco"), and BANK OF AMERICA,
N.A., as administrative agent for the Lenders ("Agent"), with respect to the
following Recitals:

                                R E C I T A L S:

      A.    Nasco has previously executed and delivered for the benefit of Agent
that certain Second Amended and Restated Deed of Trust, Security Agreement,
Assignment of Rents and Leases and Fixture Filing dated August 21, 2001 (the
"Security Instrument") and recorded on August 31, 2001 as Document No.
2001-0103604-00 in the Official Records of Stanislaus County, California (the
"Official Records") which encumbers the Land described therein and described on
EXHIBIT A attached hereto. All initially-capitalized terms not defined herein
shall have their meaning as set forth in the Security Instrument.

      B.    The Security Instrument secures, among other things, Nasco's
obligations under the Credit Agreements.

      C.    Nasco and Agent have entered into (i) that certain First Amendment
to Amended and Restated Credit Agreement (Five Year) and Consent dated June 17,
2002 and (ii) that certain Second Amendment to Amended and Restated Credit
Agreement (364 Days) and Consent dated June 17, 2002 (collectively, the "Credit
Agreement Amendments"). Pursuant to the Credit Agreement Amendments, Agent has,
among other things, conditionally consented to Nasco's merging into Trustor (the
"Merger"). Pursuant to the Credit Agreement Amendments, among other things,
Trustor is executing an Assumption Agreement whereby Trustor is assuming all of
Nasco's obligations under the Loan Documents.

      D.    Pursuant to the Credit Agreement Amendments, among other things,
Agent has required Trustor to enter into this Agreement.

            NOW THEREFORE, in consideration of the foregoing Recitals, the
      mutual covenants and agreements contained herein, and for other good and
      valuable consideration, the receipt and sufficiency of which are hereby
      acknowledged, the parties agree as follows:

      1.    ASSUMPTION

            Trustor acknowledges that it has acquired or will acquire
      concurrently herewith the fee simple interest of Nasco in and to the Land
      and hereby accepts and assumes the obligations and duties of Nasco in, to
      and under the Security Instrument, whether occurring before or after the
      date of this Agreement. Trustor acknowledges and agrees that it holds or
      will hold fee simple title to the Land, together with all rights and
      interests appurtenant thereto, subject to the provisions of



      this Agreement and the charge and lien of the Security Instrument and that
      it shall be bound by all of the terms, conditions and covenants contained
      therein and herein.

      2.    MODIFICATION OF SECURITY INSTRUMENT

            The Security Instrument is hereby modified to (i) reflect the
      assignment and assumption set forth in this Agreement, (ii) provide that
      all references to the Credit Agreements, the Credit Agreement (Five Year)
      and the Credit Agreement (364 Days) in the Security Instrument shall mean,
      respectively, the Credit Agreements, the Credit Agreement (Five Year) and
      the Credit Agreement (364 Days) as amended as of the date hereof,
      including by the Credit Agreement Amendments, and as the same may be
      further modified in the future, (iii) provide that all of the obligations
      under the Loan Documents as modified by this Agreement are the obligations
      of Trustor as if Trustor is named therein, and (iv) reflect that the
      Credit Agreement Amendments and this Agreement constitute Loan Documents.

      3.    TITLE ENDORSEMENT

            Concurrently with the recording of this Agreement, Trustor shall
      cause to be delivered to Agent at Trustor's sole cost and expense a CLTA
      110.5 endorsement, in form and substance acceptable to Agent in its sole
      and absolute discretion, to Agent's existing title policy relating to the
      Security Instrument.

      4.    GOVERNING LAW

            This Agreement shall be governed by, and construed and enforced in
      accordance with, the laws of the State of California.

      5.    COUNTERPARTS

            This Agreement may be executed in any number of counterparts, each
      of which when so executed and delivered shall be deemed to be an original
      and all of which counterparts taken together shall constitute but one and
      the same instrument. Signature and acknowledgment pages may be detached
      from the counterparts and attached to a single copy of this Agreement to
      physically form one document, which may be recorded.






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      IN WITNESS WHEREOF, the parties have caused this Agreement to be duly
executed and delivered as of the date first above written.


                                TRUSTOR:

                                THE ARISTOTLE CORPORATION,
                                a Delaware corporation (successor-by-merger
                                to Nasco International Inc., a Wisconsin
                                corporation)


                                By: /s/ Steven B. Lapin
                                    --------------------
                                     Its: President and Chief Operating Officer
                                          -------------------------------------

                                AGENT:

                                BANK OF AMERICA, N.A., as Agent for the Lenders


                                By: /s/ David Johanson
                                    -------------------
                                     Its: Vice President
                                          --------------





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                                                                       [TRUSTOR]

STATE OF _______________   )
                           )       SS
COUNTY OF ___________      )


      On _____________________ before me, _________________ personally appeared
_________________________________ personally known to me or proved to me on the
basis of satisfactory evidence to be the person(s) whose name(s) is/are
subscribed to the within instrument and acknowledged to me that he/she/they
executed the same in his/her/their authorized capacity(ies), and that by
his/her/their signatures(s) on the instrument the persons(s), or the entity upon
behalf of which the person(s) acted, executed the instrument.

                                   Witness my hand and official seal.


                                   ---------------------------------------------
                                   Signature of Notary



                                                                         [AGENT]


STATE OF ____________      )
                           )       SS
COUNTY OF ___________      )


      On _____________________ before me, _________________ personally appeared
_________________________________ personally known to me or proved to me on the
basis of satisfactory evidence to be the person(s) whose name(s) is/are
subscribed to the within instrument and acknowledged to me that he/she/they
executed the same in his/her/their authorized capacity(ies), and that by
his/her/their signatures(s) on the instrument the persons(s), or the entity upon
behalf of which the person(s) acted, executed the instrument.

                                   Witness my hand and official seal.


                                   ---------------------------------------------
                                   Signature of Notary









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