The Horus Heresy Book Collection Apr 2026

The Horus Heresy book series is the defining epic of the Warhammer 40,000 universe. Spanning over 60 novels, novellas, and short story anthologies (primarily published by Black Library ), it chronicles the single greatest catastrophe in human history: the devastating civil war that shattered the Imperium of Man ten thousand years before the main setting of the tabletop game. The Core Story The series acts as a grand tragedy. It follows the rise and fall of Warmaster Horus Lupercal , the most beloved son of the immortal Emperor of Mankind. Tasked with leading the Great Crusade to reunite humanity, Horus is corrupted by the malevolent entities of the Warp (Chaos). He turns half of the Emperor’s twenty superhuman legions—the Space Marines—against their father.