This 328-page hardback book contains:
– Background and lore: Information on the Legiones Astartes, their organisation, and examples of their forces.
– Rules and unit profiles: A guide to army building, plus rules for units, weapons, and Wargear available to the Loyalist Legiones Astartes in Warhammer: The Horus Heresy.
– Legion-specific special rules: Unit profiles, Detachments, Gambits, Wargear, Faction Abilities and Reactions for each of the Loyalist Legions: the Dark Angels, White Scars, Space Wolves, Imperial Fists, Blood Angels, Iron Hands, Ultramarines, Salamanders, and Raven Guard.
– Primarch profiles: Rules to unleash Lion El’Johnson, Jaghatai Khan, Leman Russ, Rogal Dorn, Sanguinius, Ferrus Manus, Roboute Guilliman, Vulkan, and Corvus Corax on the battlefield.
– Visual showcases: Heraldry markings, colour schemes for infantry and vehicles, and a gallery of stunning miniatures photography for each Loyalist Legion.

You will need a copy of Warhammer: The Horus Heresy – Age of Darkness Rulebook, available separately, to use the contents of this book.