The product is a hardcover book titled “Batman: The Definitive History of the Dark Knight in Comics, Film, & Beyond” by authors Andrew Farago and Gina McIntyre. Published by Insight Editions, this book delves into the origins and evolution of the iconic superhero Batman in both comic books and films. With a focus on the Dark Knight version of the character, this book provides a comprehensive look at the cultural impact and legacy of Batman in various media. Written in English and originating from the United Kingdom, this book is a must-have for fans of the Batman franchise.