Book 3 of the Horus Heresy Saga

Horus makes the first major moves in his attempt to overthrow his father’s empire, preparing a massacre on Isstvan III that lays the foundation for the terrible events that will follow.

The Story

After recovering from his severe injuries, Warmaster Horus leads the triumphant imperial forces against the rebel world of Isstvan III. Although the rebels are quickly crushed, Horus’s treachery is finally revealed when the planet is leveled by virus bombing and the Space Marines turn against their brothers in the most bitter battle imaginable.

Written by Ben Counter.