Books sold at Snaps and Reads are either Brand New or Used. Specific descriptions for such conditions are as follows:
Brand New: Certified brand new, unused, unread and in superb condition.
Used – Very Good: A copy that is like new or worn but untorn. Has been read and used but still in superb condition. The pages and cover are still intact. No highlights and markings are present on the book. Unsold books that has been read by customers may fall under this category. For many collectors this is the minimum acceptable condition for all but the rarest items.
Used – Good: A pre-loved copy but still remains in clean condition. The pages and cover are still intact and there might be highlights or markings present on the book. This describes the condition of an average used worn book that is complete.
Used – Acceptable: A pre-loved copy that looks well worn (shows wear and tear) and a bit old but still readable. The pages and cover are still intact. There might be highlights or markings present on the book.
Source: https://en.wikipedia.org/wiki/List_of_used_book_conditions and www.blink.com.ph