Inside this 136-page hardcover book, you'll find:

• Background material detailing the T'au Empire, including its rigid caste system, varied sept worlds, and meteoric expansion, as well its long-time allies amongst the Kroot
• Inspiring artwork that sheds light on the sleek aesthetic, complex technology, and alien auxiliaries of the T'au Empire
• 38 datasheets detailing the profiles, wargear, and unique abilities of every T'au Empire unit, from Stealth Battlesuits to savage Krootox Rampagers
• Four themed Detachments, including the Kauyon and Mont'ka metastrategies, as well as dedicated Kroot Hunting Packs, each with their own set of special rules
• Crusade rules to launch a Sphere Expansion of your own, as you assimilate new systems through diplomacy and conquest
• Combat Patrol rules and a painting guide for playing fast-paced games with the Sudden Dawn Cadre
• An 'Eavy Metal showcase of superbly-painted Citadel miniatures to inspire you, featuring different T'au septs and Kroot kindreds

This book also contains a one-use code to unlock Codex: T'au Empire content in Warhammer 40,000: The App.