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

jacket : Sometimes used as another term for dust jacket, a protective and often decorative wrapper, usually made of paper which wraps around the binding of a book

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

endpaper : The double leaves bound into a book at the front and rear after printing. One side is glued to the inner portion of the boards (the paste-down) and the other is left loose (free endpaper).

Fair : is a worn book that has complete text pages (including those with maps or plates) but may lack endpapers, half-title, etc. (which must be noted). Binding, jacket (if any), etc., may also be worn. All defects must be noted. (defined by AB Bookman's Weekly)