Zip Publishing offers wholesale pricing to all booksellers as well as quantity pricing to institutions such as schools, libraries & organizations. All orders are printed and sent within a 48 hour workday period. To order an item at quantity pricing, you must order 3 or more copies. You may place an order in the Educational Publisher shopping cart and insert Discount Code BSI-1, email your request to info@EduPublisher.com or call our toll free number at 1-866-880-5373. Be aware that the most secure method for sending critical information would be through the EduPublisher.com secure shopping cart.