Inside this 352-page hardback book, you'll find:

– Rules and unit profiles covering every unit, weapon, and piece of wargear available to the Traitor Legiones Astartes in Warhammer: The Horus Heresy
– Legion-specific special rules, Warlord Traits, Reactions, Rites of War, wargear, unit profiles, and unique characters for each of the Traitor Legions: the Emperor's Children, Iron Warriors, Night Lords, World Eaters, Death Guard, Thousand Sons, Sons of Horus, Word Bearers, and Alpha Legion
– Profiles for each of the Traitor Primarchs: Fulgrim, Perturabo, Konrad Curze, Angron, Mortarion, Magnus the Red, Horus the Warmaster, Lorgar Aurelian, and Alpharius
– A visual showcase for each Traitor Legion, containing heraldry markings, colour schemes for infantry and vehicles, and a small gallery of stunning miniatures photography