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

ISBN : International Standard Book Number

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.

Biblio : The Greek root for a variety of words referring to the book, such as bibliography, bibliomania, etc. Also, one of the world's largest internet book search services.

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