cracked : In reference to a hinge or a book's binding, means that the glue which holds the opposing leaves has allowed them to separate, revealing the stitching or binding underneath.

8vo : Short for Octavo, A book whose page size is approximately 12 inches by 9 inches. The size is based on a sheet of paper 25 inches by 38 inches, the size of paper traditionally used by book printers, which has been folded and cut into 16 pages.. Unfortunately often misunderstood to mean 8 volumes.

ffep : Front free endpaper. Generally, the first page of a book.

e.p. : When used to describe a book, the endpaper(s), The first and last two pages (verso and recto) from the front and back of a book.

Cloth : Generally refers to a hardcover with cloth covering the outside of the book covers.