crisp : A term often used to indicate a book's new-like condition. Indicates that the hinges are not loosened. A book described as crisp will not have 'well-read' pages, i.e., where the book will naturally open to certain pages or sections.

x-library : An abbreviation for Ex-library former library book, generally containing library acquisition and ownership stamped markings, and other typical indications of the library's use.