trade paperback : Often used to indicate any paperback book that is somewhat larger than a mass-market paperback.

tight : Used to mean that the binding of a book has not been overly loosened by frequent use.

8vo : Short for Octavo, A book whose page size is approximately 8-10 inches tall. 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.

VG- : A term used to denote a condition a slight grade lesser than VG. Very Good is defined by AB Bookman's Weekly as "a used book that does show some small signs of wear - but no tears - on either binding or paper. Any defects must be noted."

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