Sealed product that has been opened and/or removed from original packaging may not be returned, unless it is defective, in which case it can be exchanged only for the same product.  Used books and shipping fees are not returnable or exchangeable.  Bulk orders of 10 or more copies are non-returnable.

Some shipments may not come with a packing slip. If your packing slip is unavailable, please print out the Shipping Confirmation email you received after the item(s) shipped. Include that printout in the box and write your Order Number on the outside of the box. Without a packing slip or shipping confirmation printout, we cannot process the return and you will not receive your refund.