This 128-page hardback book contains:
– Background and lore: Information on the Solar Auxilia, their organisation, and examples of their forces.
– Rules and unit profiles: A guide to army building, Doctrines, and Detachments, plus rules for units, weapons, and Wargear available to the Solar Auxilia in Warhammer: The Horus Heresy.
– Legiones Auxilia: Rules for using Solar Auxilia cohorts that are bonded to each of the 18 Legiones Astartes.
– Visual showcases: Heraldry markings, colour schemes for infantry and vehicles, and a gallery of stunning miniatures photography.