C L Werner's Black Library credits include the Age of Sigmar novels Overlords of the Iron Dragon, Profit's Ruin, The Tainted Heart and Beastgrave, the novella 'Scion of the Storm' in Hammers of Sigmar, and the Warhammer Horror novel Castle of Blood. For Warhammer he has written the novels Deathblade, Mathias Thulmann: Witch Hunter, Runefang and Brunner the Bounty Hunter, the Thanquol and Boneripper series and Warhammer Chronicles: The Black Plague series. For Warhammer 40,000 he has written the Space Marine Battles novel The Siege of Castellax. Currently living in the American south-west, he continues to write stories of mayhem and madness set in the Warhammer worlds.