David Guymer's work for Warhammer Age of Sigmar includes the novels Hamilcar: Champion of the Gods and The Court of the Blind King, the audio dramas The Beasts of Cartha, Fist of Mork, Fist of Gork, Great Red and Only the Faithful. He is also the author of the Gotrek & Felix novels Slayer, Kinslayer and City of the Damned and the Gotrek audio dramas Realmslayer and Realmslayer: Blood of the Old World. For The Horus Heresy he has written the novella Dreadwing, the Primarchs novel Ferrus Manus: Gorgon of Medusa, and for Warhammer 40,000 The Eye of Medusa, The Voice of Mars and the two Beast Arises novels Echoes of the Long War and The Last Son of Dorn. He is a freelance writer and occasional scientist based in the East Riding, and was a finalist in the 2014 David Gemmell Awards for his novel Headtaker.