Dan Abnett

Unaware of the wider Heresy and following the Warmaster's increasingly cryptic orders, Roboute Guilliman returns to Ultramar to muster his Legion for war against the orks massing in the Verdian system. Without warning, their supposed allies in the Word Bearers Legion launch a devastating invasion of Calth.

Re-release of the mass market edition of the first novel in the best selling Horus Heresy series Under the benevolent leadership of the Immortal Emperor the Imperium of Man has stretched out across the galaxy. On the eve of victory, the Emperor leaves the front lines, entrusting the great crusade to his favorite son, …