• Like New: An apparently unread copy in perfect condition. Dust cover is intact; pages are clean and are not marred by notes or folds of any kind. Suitable for presenting as a gift.

• Very Good: A copy that has been read, but remains in excellent condition. Pages are intact and are not marred by notes or highlighting. The spine remains undamaged.

• Good: A copy that has been read, but remains in clean condition. All pages are intact, and the cover is intact (including dust cover, if applicable). The spine may show signs of wear. Pages can include limited notes and highlighting, and the copy can include "From the library of" labels.

• Acceptable: A readable copy. All pages are intact, and the cover is intact (the dust cover may be missing). Pages can include considerable notes--in pen or highlighter--but the notes cannot obscure the text.

• Unacceptable: Moldy, badly stained, or unclean copies are not acceptable, nor are copies with missing pages or obscured text. Books that are distributed for promotional use only are prohibited. This includes advance reading copies (ARCs) and uncorrected proof copies.