Aaron Dembski-Bowden is the author of the Horus Heresy novels The Master of Mankind, Betrayer and The First Heretic, as well as the novella Aurelian and the audio drama Butcher's Nails, for the same series. He has also written the Warhammer 40,000 novel Spear of the Emperor, the popular Night Lords series, the Space Marine Battles book Armageddon, the novels The Talon of Horus and Black Legion, the Grey Knights novel The Emperor’s Gift and numerous short stories. He lives and works in Northern Ireland.

Jonathan Green has been an editor, writer, commentator and broadcaster in a 30-year career as a journalist. He has been a working journalist since the late 1970s. The bulk of Jonathan's career has been spent in newspapers, beginning with a cadetship at The Canberra Times and taking in a small Cook’s tour of Australian dailies: the Melbourne Herald, The Herald Sun, the Sunday Herald, The Sunday Age and 15 years at The Age.

Jonathan left The Age in 2006 to work for the first time online as editor of Crikey. After three years there and having gained a nodding familiarity with the ways of the internet, he at last found his way to the ABC as founding editor of ABC Online's The Drum. He presents Blueprint for Living on ABC Radio National and fills in on RN Drive.

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.

Rachel Harrison is the author of the Warhammer 40,000 novel Honourbound, and the short stories Execution and A Company of Shadows, featuring the character Commissar Severina Raine. She has also written the short story Dirty Dealings for Necromunda, as well as a number of other Warhammer 40,000 short stories including The Third War and Dishonoured.

Nick Kyme is the author of the Horus Heresy novels Old Earth, Deathfire, Vulkan Lives and Sons of the Forge, the novellas Promethean Sun and Scorched Earth, and the audio dramas Red-Marked, Censure and Nightfane.

His novella Feat of Iron was a New York Times bestseller in the Horus Heresy collection, The Primarchs. Nick is well known for his popular Salamanders novels, including Rebirth, the Sicarius novels Damnos and Knights of Macragge, and numerous short stories.

He has also written fiction set in the world of Warhammer, most notably the Warhammer Chronicles novel The Great Betrayal and the Age of Sigmar story 'Borne by the Storm', included in the novel War Storm.

More recently he has scripted the Age of Sigmar audio drama The Imprecations of Daemons. He lives and works in Nottingham.

Steve Lyons’ work in the Warhammer 40,000 universe includes the novellas Engines of War and Angron's Monolith, the Imperial Guard novels Death World, Ice Guard and Dead Men Walking, and the audio dramas Waiting Death and The Madness Within. He has also written numerous short stories and is currently working on more tales from the grim darkness of the far future.

Josh Reynolds is the author of the Horus Heresy Primarchs novel Fulgrim: The Palatine Phoenix, and two audio dramas featuring the Blackshields: The False War and The Red Fief. His Warhammer 40,000 work includes Lukas the Trickster and the Fabius Bile novels Primogenitor and Clonelord.

He has written many stories set in the Age of Sigmar, including the novels Shadespire: The Mirrored City, Soul Wars, Eight Lamentations: Spear of Shadows, the Hallowed Knights novels Plague Garden and Black Pyramid, and Nagash: The Undying King. His tales of the Warhammer old world include The Return of Nagash and The Lord of the End Times, and two Gotrek & Felix novels. He lives and works in Sheffield.

Chris Wraight is the author of the Horus Heresy novels Scars and The Path of Heaven, the Primarchs novels Leman Russ: The Great Wolf and Jaghatai Khan: Warhawk of Chogoris, the novellas Brotherhood of the Storm and Wolf King, and the audio drama The Sigillite.

For Warhammer 40,000 he has written The Lords of Silence, Vaults of Terra: The Carrion Throne, Vaults of Terra: The Hollow Mountain, Watchers of the Throne: The Emperor's Legion, the Space Wolves novels Blood of Asaheim and Stormcaller, and many more.

Additionally, he has many Warhammer novels to his name, including the Warhammer Chronicles novel Master of Dragons, which forms part of the War of Vengeance series. Chris lives and works in Bradford-on-Avon, in south-west England.