Guy Haley is the author of the Horus Heresy novels Titandeath, Wolfsbane and Pharos, the Primarchs novels Konrad Curze: The Night Haunter, Corax: Lord of Shadows, Perturabo: The Hammer of Olympia, and the Warhammer 40,000 novels Dark Imperium, Dark Imperium: Plague War, The Devastation of Baal, Dante, Baneblade, Shadowsword, Valedor and Death of Integrity.

He has also written Throneworld and The Beheading for The Beast Arises series. His enthusiasm for all things greenskin has also led him to pen the eponymous Warhammer novel Skarsnik, as well as the End Times novel The Rise of the Horned Rat. He has also written stories set in the Age of Sigmar, included in War Storm, Ghal Maraz and Call of Archaon. He lives in Yorkshire with his wife and son.

David Guymer wrote the Primarchs novel Ferrus Manus: Gorgon of Medusa, and for Warhammer 40,000 The Eye of Medusa, The Voice of Mars and the two The Beast Arises novels Echoes of the Long War and The Last Son of Dorn. For Warhammer Age of Sigmar he wrote the novel Hamilcar: Champion of the Gods, 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 drama Realmslayer. 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.

David Annandale is the author of the Warhammer Horror novel The House of Night and Chain and the novella The Faith and the Flesh, which features in the portmanteau The Wicked and the Damned. His work for the Horus Heresy range includes the novels Ruinstorm and The Damnation of Pythos, and the Primarchs novels Roboute Guilliman: Lord of Ultramar and Vulkan: Lord of Drakes.

For Warhammer 40,000 he has written Warlord: Fury of the God-Machine, the Yarrick series, and several stories involving the Grey Knights, as well as titles for The Beast Arises and the Space Marine Battles series.

For Warhammer Age of Sigmar he has written Neferata: Mortarch of Blood and Neferata: The Dominion of Bones. David lectures at a Canadian university, on subjects ranging from English literature to horror films and video games.

Gav Thorpe is the author of the Horus Heresy novels Deliverance Lost, Angels of Caliban and Corax, as well as the novella The Lion, which formed part of the New York Times bestselling collection The Primarchs, and several audio dramas. He has written many novels for Warhammer 40,000, including Ashes of Prospero, Imperator: Wrath of the Omnissiah and the Rise of the Ynnari novels Ghost Warrior and Wild Rider.

He also wrote the Path of the Eldar and Legacy of Caliban trilogies, and two volumes in The Beast Arises series. For Warhammer, Gav has penned the End Times novel The Curse of Khaine, the Warhammer Chronicles omnibus The Sundering, and recently penned the Age of Sigmar novel The Red Feast. In 2017, Gav won the David Gemmell Legend Award for his Age of Sigmar novel Warbeast. He lives and works in Nottingham.