Inside this 168-page hardback book, you'll find:
– Vital background material for a variety of regiments, as well as their colours and history
– Artwork and photography that captures the scale of Astra Militarum armies
– Full rules for using the Astra Militarum in games of Warhammer 40,000, with five Detachments, and 64 datasheets to cover each available unit
– A full set of rules for working out your own Tour of Duty narrative campaign, as well as playing  Combat Patrol skirmishes

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