Codex: Imperial Agents delves into the murky origins of these underground organizations and offers insight into their methods of warfare. This also includes the mysterious Space Marine Chapter of the Deathwatch, subject to the Ordo Xenos, and other key units attached to various organizations, including the Sisters of Battle, the Grey Knights, the Imperial Navy, the Adeptus Arbites, and more. You'll find plenty of spooky artwork to inspire you, as well as stunning galleries of painted miniatures. This hallowed tome gives you all the rules you need to fight the shadow war that is at stake in the heart of the Imperium, whether it's in Patrol format, in narrative Crusade campaigns, or in balanced games of Warhammer 40,000.

• From the history for the different types of Agents of the Imperium, from Assassin temples to the Ordos of the Inquisition, to the forces that typically fight alongside them
• Evocative illustrations and photos that will inspire you in your collection and help you unleash your creativity
• Comprehensive rules for using your Agents of the Imperium in your games, with 26 datasheets detailing each unit, including those of the Deathwatch, Assassins, Grey Knights, Sisters of Battle, Imperial Navy, Adeptus Arbites, and more, as well as four Detachments
• Comprehensive rules for conducting your own Covert Operations or narrative Crusade campaigns, as well as engaging in thrilling Patrol-style skirmishes.