dust jacket : A protective and often decorative wrapper, usually made of paper which wraps around the binding of a book.

book club edition : A generic term denoting a book which was produced or distributed by one of any number of book club organizations. Usually the overall quality of the book's materials is lower than the same book as printed by a traditional publishing house.

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.