Pre-payment is required

For pre-payment, you can ask for a pro-forma invoice
- Send email to: and ask for a pro-forma invoice,
- We will send you a pro-forma invoice by email,
- After receiving this invoice, you can pre-pay by method 1 to 4 (see below),
- After receiving your pre-payment, we will send your books and software to your delivery address.

You can pre-pay, as follows:

(Books will only be supplied after pre-payment)

(International: use  CREDIT CARD for quicker supply)

  You can pay by CREDIT CARD through PAYPAL (no costs for buyers)

- (PAYPAL is a safe internet bank with over 100 million accounts; no costs for buyers)
- Send your email address to us (,
- By email we will send you the amount to be paid,
- CLICK on the Donate-button below; you will go the PAYPAL site (,

- Fill in the amount to be paid (in Euros on left side); push update,
- Select: Donot have a PAYPAL account and fill in your credit card details;
- (you can also select: Have a PAYPAL account; login to your own account),
- We will send the books and software to your delivery address.      

  You can pay using your own PAYPAL-account (no costs for buyers)

- If you already have a PAYPAL-account;
            a) Go to (USA site) and
            b) Login to your account
            c) Select:  Send Money and send your payment (in Euros) to
                               our emailaddress:

  You can make a deposit into our bankaccounts for customers in the Eurpean Union (EU)
     (select one account); (bankcheques are not accepted)

- Send us an email with your order data
- We will send you the amount to be paid (additional bank charges are required)
- We will send the books and software after we have been notified of your deposit by the bank
  (it may take several days)

      ING bank account:                   NL 44 INGB    000 35 27 991 (BIC: INGBNL 2A)
      ABN-AMRO bank  account:     NL 37 ABNA  048 25 43 078 (BIC: ABNANL2A)
-  Books (undamaged) can be returned within 1 week after delivery
-  Software can NOT be returned
-  Send email to notify us
-  We will refund you (minus postal costs) after return of books