vg : Very Good condition. can describe a used book that does show some small signs of wear - but no tears - on either binding or paper. Any defects must be noted. (defined by AB Bookman's Weekly)

reprint : Any printing of a book which follows the original edition. By definition, a reprint is not a first edition.

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

o/w : An abbreviation for otherwise