The product is a pre-owned paperback novel titled "Op Center" by Tom Clancy, part of the Tom Clancy's Op-Center Ser. Published by Berkley Books in 1995, this first edition vintage novel is set in the 1990s and falls under the genres of war & military, thrillers/espionage, and action & adventure. With a length of 7 inches and containing 387 pages, this novel is intended for an adult audience and is written in English by authors Tom Clancy and Steve Pieczenik. It is a gripping and suspenseful read that will surely captivate fans of the genre.