The product is a pre-owned, hardcover edition of The Official Overstreet Comic Book Price Guide No.19 book, published by Overstreet in 1989. This vintage price guide features information on comic book values from the Marvel (MCU) and DC Universe, with a focus on Batman comics. Written by Robert M. Overstreet, this original guide is a valuable resource for comic book collectors looking to learn about the industry and the history of comic book prices.