Book 3 in the Horus Heresy Saga Horus makes the first major moves in his bid to overthrow his father's empire, staging a slaughter on Isstvan III that sets the stage for the horrors to come. READ IT BECAUSE Ben Counter brings us this exciting third part of the opening trilogy to The Horus Heresy, setting in motion the cataclysmic events that will culminate in Horus laying siege to the birthplace of Humanity. THE STORY Having recovered from his grievous injuries, Warmaster Horus leads the triumphant Imperial forces against the rebel world of Isstvan III. Though the rebels are swiftly crushed, Horus's treachery is finally revealed when the planet is razed by virus bombs and Space Marines turn on their battle-brothers in the most bitter struggle imaginable. Written by Ben Counter.