Like New: perfect condition. Pages are clean and are not marked by notes, highlighting or folds. Very Good: excellent condition. Pages are intact and are not marked by notes or highlighting. Good: clean condition. All pages are intact, and the cover is intact. The spine may show signs of wear. Pages include limited notes and highlighting. Acceptable: A readable copy. All pages are intact, and the cover is intact. Pages include considerable notes, in pen or highlighter, but the notes do not obscure the text.