Inside this 104-page hardback book, you'll find:
– Riveting background material about the Chaos Knight Houses, including how they operate, and their infernal heraldry
– Photography of massed Knight charges, and artwork that will set your imagination ablaze
– Rules for using Chaos Knights in games of Warhammer 40,000, with four Detachments, and 11 datasheets to cover the available configurations
– A set of rules for working out your own twisted narrative campaign

This book also contains a one-use code to unlock Codex: Chaos Knights content in Warhammer 40,000: The App.