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.

Peter McLean was born near London and grew up in the Norwich alternative scene, alternating dingy nightclubs with studying martial arts and practical magic before settling to a career in corporate IT. His first novels, the Burned Man series, are noir urban fantasy.

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.

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.

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.

Robbie MacNiven is a Highlands-born History graduate from the University of Edinburgh. He has written the Warhammer Age of Sigmar novella The Bone Desert, as well as the Warhammer 40,000 novels Blood of Iax, The Last Hunt, Carcharodons: Red Tithe, Carcharodons: Outer Dark and Legacy of Russ. His short stories include 'Redblade', 'A Song for the Lost' and 'Blood and Iron'. His hobbies include re-enacting, football and obsessing over Warhammer 40,000.

Phil Kelly is the author of the Space Marine Battles novel Blades of Damocles and the Warhammer 40,000 novellas Farsight and Blood Oath, as well as the Warhammer titles Sigmar's Blood and Dreadfleet.

He has also written a number of short stories.

He works as a background writer for Games Workshop, crafting the worlds of Warhammer and Warhammer 40,000. He lives in Nottingham.

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.

Matt Smith is one of Black Library's newest authors, and the Warhammer 40,000 short story 'In Service Eternal' is his first. He is based in Norwich and spends his spare time working on his Raven Guard army and training in martial arts.

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.

Graham McNeill has written many Horus Heresy novels, including The Crimson King, Vengeful Spirit and his New York Times bestsellers A Thousand Sons and the novella The Reflection Crack'd, which featured in The Primarchs anthology. Graham's Ultramarines series, featuring Captain Uriel Ventris, is now six novels long, and has close links to his Iron Warriors stories, the novel Storm of Iron being a perennial favourite with Black Library fans. He has also written the Forges of Mars trilogy, featuring the Adeptus Mechanicus. For Warhammer, he has written the Warhammer Chronicles trilogy The Legend of Sigmar, the second volume of which won the 2010 David Gemmell Legend Award.