This is a Warhammer 40000: Codex Space Marines.

Inside this 216-page hardback book, you'll find:
– Extensive background information regarding the Imperium's Space Marines, ranging from their genetic enhancements to the deeds of famous Chapters
– Exhilarating artwork depicting the Adeptus Astartes in epic battles against innumerable enemies
– 93 datasheets detailing the profiles, wargear, and unique abilities of every Space Marines unit, from newly-recruited Scouts to mighty Dreadnoughts
– Seven themed Detachments, such as the Anvil Siege Force and Vanguard Spearhead, each with their own set of special rules
– Crusade rules that will see your heroes fulfil mighty oaths as they defeat Humanity’s enemies, earning glory and honour
– Self-contained Combat Patrol rules and a painting guide, allowing you to play fast-paced games with Strike Force Octavius
– An 'Eavy Metal showcase of superbly-painted Citadel miniatures to inspire you, featuring a variety of Space Marines Chapters

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