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