The product is a collection of two paperback editions of the Overstreet COMIC BOOK PRICE GUIDES #11 and #20, published in 1981. These guides are specifically focused on the comic book industry, providing valuable information for collectors and enthusiasts looking to determine the market value of various comic books. The guides are part of the iconic Overstreet series known for their comprehensive listings and insights into the world of comic book collecting. With a style described as Neo-Classical, these guides offer a historical perspective on the comic book market during the early 1980s, making them a valuable resource for collectors looking to expand their knowledge and collection.