Document:

THE SECURITIES REPRESENTED BY THIS PROMISSORY NOTE HAVE BEEN ACQUIRED FOR
INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 OR ANY
STATE SECURITIES LAW. SUCH SECURITIES MAY NOT BE SOLD OR TRANSFERRED IN THE
ABSENCE OF SUCH REGISTRATION UNLESS SUCH SALE OR TRANSFER IS EXEMPT FROM THE
REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENT OF SAID ACT AND ANY STATE
SECURITIES LAWS.

DATE:  EFFECTIVE AS OF DECEMBER 31, 2000                                $939,261

                               BOOKTECH.COM, INC.

                                 PROMISSORY NOTE

     booktech.com, inc., a Nevada corporation (the "Company"), for value
received, promises to pay to Verus Investments Holdings, Inc. (the "Lender"),
the principal sum of $939,261, in lawful money of the United States of America
and in immediately available funds, plus simple interest of 8% per annum on the
principal amount hereof as provided below. All principal and accrued interest
shall be due and payable on December 31, 2001 (whether by acceleration or
otherwise). Interest shall be computed on the basis of a year of 365 days for
the actual number of days elapsed.

1. DEFINITIONS. Unless the context indicates otherwise, capitalized terms used
herein shall have the meanings given them in the Loan Agreement (defined below),
provided that the following terms used herein shall have the following meanings:

     1.1 "Loan Agreement" means the Loan Agreement dated as of December 31, 2000
between the Lender and the Company.

     1.2 "Noteholder," "holder," or similar terms, when the context refers to a
holder of a Note, means any person who shall at the time be the holder of this
Note.

2. PREPAYMENT. The principal amount of this Note and any accrued interest
thereon may be prepaid in whole or in installments by the Company prior to
maturity without penalty.

3. SUBORDINATION. The indebtedness represented by this Note is hereby expressly
subordinated in right of payment to the prior payment in full of all of the
Company's indebtedness for money borrowed from insured banks, licensed insurance
companies, lenders approved pursuant to Section 2.10 of the Loan Agreement, or
other third-party commercial lending institutions regularly engaged in the
business of lending money.

4. LEGAL RATE ADJUSTMENT. Notwithstanding anything herein to the contrary, if at
any time the interest rate applicable to the Loan, together with all fees,
charges and other amounts which are treated as interest on the Loan under
applicable law shall exceed the maximum lawful rate (the "Maximum Rate") which
may be contracted for, charged, taken, received or reserved by the Lender in
accordance with applicable law, the rate of interest payable in respect of such
Loan hereunder, together with all charges payable in respect thereof, shall be
limited to the Maximum

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Rate.

5. INDEMNIFICATION. The Company shall defend, indemnify and hold harmless the
Lender and its officers, directors, employees and agents against (a) all
obligations, demands, claims, and liabilities claimed or asserted by any person
in connection with the transactions contemplated by this Note, and (b) all
losses or expenses in any way suffered, incurred, or paid by the Lender as a
result of or in any way arising out of, following, or consequential to
transactions between the Lender and the Company under this Note or otherwise
(including without limitation reasonable attorneys' fees and expenses), expect
for losses caused solely by the Lender's gross negligence or willful misconduct.

6. LOAN AGREEMENT. This Note is the Note referred to in the Loan Agreement and
is entitled to all the benefits provided therein. Reference is made to said Loan
Agreement for the representation and warranties of the Company, the covenants,
the Events of Default and the rights of acceleration of the maturity of the Note
upon an Event of Default, as well as the miscellaneous provisions of Article 6
of the Loan Agreement, all of which are incorporated herein by reference.

7. GOVERNING LAW. This Note shall be governed in all respects by the laws of the
State of New York, without regard to its internal conflict of laws rules.

                                         BOOKTECH.COM, INC.

                                         By: /S/ TED BERNHARDT
                                             -----------------------
                                             Ted Bernhardt
                                             Chief Financial Officer

                                       2PROMISSORY NOTE                                                            XEROX
--------------------------------------------------------------------------------
Not Accepted until Countersigned by, The Document Company, Xerox
--------------------------------------------------------------------------------

Date:    JANUARY 10, 2001
         Customer Name:         BOOK TECH. INC.        Customer # 500520424
                                42 CUMMING PARK
                                WOBURN, MA. 01801

1. Amount Financed: $455,627.18   3  Total of Payments (1+2):  $496,073.34
2. Interest:        $40,446.16    4. Interest Rate:            16%

A.   TERMS AND REPAYMENT: For value received the undersigned (hereinafter
     referred to as "Customer") promises to pay to THE DOCUMENT COMPANY, XEROX
     at its offices at HEADQUARTERS PROGRAMS & CONTROL, 150 EAST MAIN ST.,
     ROCHESTER, NY 14604, or to anyone Xerox may designate. the sum of
     $455,627.18 together with interest at a rate of 16% per annum in 12 equal
     monthly payments of $41,339.44 each, beginning FEBRUARY 15, 2001 on the
     15TH day of each month thereafter with the final payment of $41,339.44 due
     on JANUARY 10, 2002. This will constitute "total of payments" (Item 3,
     above). Customer agrees. however, that Xerox may accelerate the outstanding
     principle balance of this note upon the happening of any event of default
     as defined below.

B.   DEFAULT: At Xerox's option, the unpaid balance of the amount financed and
     all unpaid accrued interest will become immediately due and payable without
     any notice or demand to Customer if any one or more of the following events
     occur:

     1.   Failure to pay any installment due under this agreement within ten
          (10) days of the due date;

     2.   Upon the event of an assignment for the benefit of creditors of, or
          the commencement of any bankruptcy, receivership, insolvency, or
          liquidation proceedings by or against Customer;

     3.   Failure to pay any other obligation of Customer to Xerox within thirty
          (30) days of due date;

     4.   Failure of Customer to comply with any or all of the terms and
          conditions of this agreement.

C.   SECURITY INTEREST: Customer recognizes and agrees that the Security
     Interest originally granted to Xerox in connection with any Term Lease,
     Installment Purchase, or Outright Sale of equipment under any of the above
     referenced customer numbers continues uninterrupted and is additional
     security for sums due under this promissory note.

D.   LEGAL FEES AND COURT COSTS: In the event that legal proceedings are
     instituted to collect any amount due upon any installment of this note, the
     undersigned, jointly and

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     severally, agree to pay to the holder hereof in addition to the amount of
     the unpaid balance or principal and accrued unpaid interest, all costs and
     expenses of such proceedings including reasonable attorney fees.

E.   WAIVER: The undersigned and all guarantors hereof hereby jointly and
     severally waive presentment for payment, demand, notice of non-payment, and
     notice of sureties. Guarantors consent to any and all extension of time,
     renewals, waivers, or modifications that may be granted by Xerox with
     respect to the payments or other provisions of this note, and to the
     release of the collateral, or any part thereof without substitution and
     agree that additional makers, endorsers, guarantors, or sureties may become
     parties hereto without notice to them or without affecting their
     liabilities thereunder.

     No delay or omission to exercise any right, power or remedy accruing to
     Xerox upon breach or default by Customer or guarantor under this promissory
     note shall impair any such right, power or remedy of Xerox, or shall be
     construed as a waiver of any breach or default or any similar breach or
     default thereafter occurring; nor shall any waiver of a single breach or
     default be deemed a waiver of any subsequent breach or default. All waivers
     by Xerox must be in writing.

F.   MISCELLANEOUS

     Payments due under this Promissory Note shall be made without claim of
     set-off, counterclaim or deduction of any nature or kind or for any cause
     whatsoever.

     Upon prior written notice, Xerox may change the address to which Customer
     makes payments under this Promissory Note. Customer shall give Xerox
     reasonable prior written notice of any address change by Customer.

     The liability of each of the undersigned shall be absolute and
     unconditional and without regard to the liability of any other party.

     This promissory note and the security interest(s) granted to Xerox shall be
     governed by and interpreted in accordance with the laws of MA.

         01.11.01                                 booktech.com
-----------------------------           ----------------------------------------
           Date                              Print Name of Customer

                             By: /s/ MORRIS A SHEPARD
                                -----------------------------
                                     Name and Title
                                     Morris A. Shepard, Ph.D.

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As additional consideration for the refinancing of the principal balance of this
Promissory Note, the undersigned personally guarantees payment of this note in
accordance with its tenor.

/S/   MORRIS A. SHEPARD                                 01.11.01
----------------------------------      ----------------------------------------
      Guarantor                                          Date

----------------------------------      ----------------------------------------
      Guarantor                                          Date

      33 Fells Road
----------------------------------
      Address

  Winchester, MA 01890
----------------------------------

                                        Accepted by The Document Company, Xerox:

                                        ----------------------------------------
                                        Name and Title

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