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If you have comments, please contact us at admin. 

If you have questions about the site or our services, contact us at questions.

If you have questions or comments about books, please contact books.

Please do not contact us regarding requests for free materials.  We will not respond to such requests.  If you are requesting discounts for bulk purchases, use the books address.  Please realize that authors cannot be expected to give away books for less than cost and we ask that you do not request them to do so.

Please check the Frequently Asked Questions section before asking a question.  We do not have time to respond to questions already answered there and may not reply.