Satisfaction Guarantee: If you're not satisfied with our books, they may be returned (in a salable condition) within 30 days of purchase for a full refund of purchase price of the item. DVD and CD-ROM products are not returnable unless defective. Books should be returned to Summer Publishing address shown above. eBooks are not returnable. The bookstore return policy for Summer Publishing, LLC is as follows: Current edition books may be returned within 4 months in a resalable condition for full refund, excluding shipping cost. It is the responsibility of the bookstore to cover the cost of shipping returns. The bookstore may request either credit or a refund, and this will be issued upon receipt of the book(s). No credit will be issued for a damaged product or non-current editions; returned books must be unmarked and in the original shrink-wrap. Current edition books returned after 4 months from date of purchase will incur a 15% restocking fee. Returns will not be allowed after 12 months from the date of purchase.