The "Gangsters Encyclopedia: The Worlds Most Notorious Mobs, Gangs and Villains" is a comprehensive reference book written by Michael Newton, published by Pavilion Books in 2007. It delves into the world of gangsters, providing detailed information on infamous mobs, gangs, and villains from around the globe. The hardcover book measures 254mm in height and 200mm in width, with a weight of 1012g. With 256 pages, the encyclopedia covers topics related to writing and reading, as well as true crime, making it a valuable resource for those interested in delving into the underworld of criminal organizations.