- The books offered are complete and in good condition, unless otherwise described. If not indicated, they have original/contemporary bindings or printed/illustrated wrappers/boards. Small failures are not always mentioned. Any books to be found incomplete or defective when not so described may be returned.
- The flower prints are arranged by plant families. In most cases the plant names mentioned are described.
An attempt has been made to add modern names. As indicated, the original text is mostly added (in a few cases, partly, in photocopy).
- Prices are in  € (euros). 
- The cost of carriage is an extra charge. 
- Customers in The Netherlands have to pay 6% btw (VAT). For the European Community the regulations concerning VAT have to be applied. Customers without a VAT-number will be charged with 6% VAT. If you have a VAT-number, please let me know at the moment of ordering. 
- Foreign customers are asked to add € 10 as a contribution for banking costs when paying by bank cheque or bank transfer. There are no costs when paying by international money order or with cash. 
- The books remain my property until full payment is received (payment is due within one month).
- VISA and MasterCard are acceptable only when ordering. New customers may be asked to pay in advance or to pay by creditcard.
- For your orders you can use the order form or you can order by e-mail, mail, telephone or fax.  
- I am always interested to buy books within my field of interest. 
- Visitors are welcome by appointment.
- Catalogues are issued regularly.