Inside this 104-page hardback book, you’ll find:

Forbidden lore and background material detailing the long history and unusual organisation of this most secretive Chapter
Disquieting artwork and dynamic photography that will inspire your collection and stir your creativity
Rules for using the Grey Knights in games of Warhammer 40,000, with 25 datasheets, five Detachments, and the Gate of Infinity army-wide rule
A set of rules to launch your own narrative Crusade, tracking down impending daemonic incursions and banishing them
A guide to painting your Combat Patrol and rules for fielding Crowe’s Sanctifiers in skirmish-sized games

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