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Reader Testimonials
“What exhilarated me about your book was the solid way you underpin the working principles with scientific findings.”
Dr. Gerhard Albert

Information for dealers

Authorized book dealers can purchase our books at a discounted price that depends on the quantity. Please contact us for details and send us information on the quantity you wish to order. If you are located within the EU, please also send us your VAT ID so we can send you the book(s) tax-free.

Note that we currently accept PayPal payments only.

By sending an order, you accept our Terms and Conditions, which also include information on your 14-day right to cancel.

We are looking for distributors in English-speaking countries! If you are interested, please contact us.