Excellent – In excellent and like new condition, as if the book has never been read and handled.
Good – Well maintained book with no wear and tear, may have slight fox/yellowish pages or edges.
Fair – Old book with no wear and tear, may have creased spine and medium to heavy foxing/yellowing pages or edges.
Clearance – Well used, creases on spine, heavily foxed/yellowed pages or edges, may contain highlights or writing on pages.