Pricing and Payment

Pricing - Doulos Golden Reference Guides are priced at $50 each.

VAT - You do not have to pay VAT on Doulos Golden Reference Guides.

Bulk discount - Single orders for quantities of 20 or more may qualify for a bulk discount; please email orders@doulos.com for more information.

Trade discount - We regret that Doulos is no longer able to offer special trade discounts to book wholesalers, book shops or libraries. Furthermore, proforma invoice services are now only available for order quantities of 5 or more copies.

Payment methods - We accept payments via credit card, as well as PayPal, Google Pay and Apple Pay.