Galaxy in Flames The Horus Heresy #3 Black Library Warhammer 40k Ben Counter 1st print
The third novel in the new Horus Heresy series continues the story of epic events that destroyed the 40,000 Warhammer universe.
Although the rebels of Istvaan III have been crushed, Horus's treachery is finally revealed when the planet is razed by virus bombs and Space Marines turn on their brothers.