Books will not be accepted in the following conditions: Cover: Cover not intact. Cuts going through the cover into multiple pages; Page damage: Lines unreadable from highlighting. Page completely torn (part of page is missing) or major partial tear (high probability that normal wear and tear during next usage will result in part or all of page falling out); Excessive writing/underlining/markings; Water damage: Pages swollen, major wrinkling, excessive stains, major discoloration or moldy (foxing); Stickers or Tape: Used deliberately to hide markings specific to instructor, international, and sample editions, which are all deemed unacceptable; Binding: Pages are separating from binding or have been fixed with tape; Mismatch ISBN: Submitted ISBN does not match ISBN of what was received; Counterfeit or fraudulent; Rebound items.