The "Warhammer Fantasy Champions of Chaos" gaming supplement book, released by Games Workshop in 1998, is a valuable resource for Warhammer enthusiasts. Focusing on the Warriors of Chaos faction for the Warhammer Fantasy Battles game version, this army book provides in-depth information and rules for players looking to enhance their gaming experience. Written in English, this book is a must-have for fans of the Warhammer universe looking to expand their knowledge and skills in the world of wargames and role-playing.