If you have any questions or comments, or know where we can find one or more of the 11 missing titles (see here), please contact us.
This site is maintained by Cornelis Verhoeven's children, Neeltje and Daan, with the help of a few friends of ours and of papa's, out of admiration for the work and with love for the author. It is all volunteer work, so it may sometimes take a few days before you receive a reply.
