The following are not accepted: Counterfeit Textbooks; International Edition Textbooks; Review Copies and Instructor's Editions. Also, Textbook Cashback will not buy books that have the following conditions: Extremely damaged books; Broken bindings; Missing pages, ripped pages or loose pages; Custom editions; Books with extreme odor (smoke smell); Missing cover/ripped cover/portion of cover missing; Water Damage/staining on more than 10% of the book; Misprinted books/ Books with misprinted text; Binder Editions/A La Carte edtitions / Loose leaf editions - Books must be contained in a binder or original packaging. If pages are loosely put into box , have tears, or rips in holes, those will not be accepted. Partial sets will not be accepted. The seller must send the complete set.