Guy Haley is the author of the Space Marine Battles novel Death of Integrity, as well as Skarsnik and Baneblade, and the Horus Heresy audio drama 'Hunter's Moon'. He worked for many years on magazines, including Games Workshop's White Dwarf. Since 2009 he has been a wandering writer, working in both magazines and novels. He lives in Somerset with his wife and son. David Annandale is the author of the Yarrick series, consisting of the novella Chains of Golgotha and the novel Imperial Creed, as well as the Horus Heresy novel The Damnation of Pythos. For the Space Marine Battles series he has written The Death of Antagonis and Overfiend. He is a prolific writer of short fiction, including the novella Mephiston: Lord of Death and numerous short stories set in the Horus Heresy and Warhammer 40,000 universes. David lectures at a Canadian university, on subjects ranging from English literature to horror films and video games.