Customer Service

Money Back Guarantee

We want you to be fully satisfied with every book, product or service that you purchase from If you are not satisfied with an item that you have purchased, you may return the item within 30 days of delivery for a full refund of the purchase price, minus the shipping, handling or other additional charges.

The item must be returned in good condition to ensure full credit.

Information for international customers

Products purchased on from countries outside the United States cannot be returned for refunds.