Dan Abnett is the author of the Horus Heresy novels Horus Rising, The Unremembered Empire , Know No Fear and Prospero Burns , the last two of which were both New York Times bestsellers. He has written over fifty novels - his other work for Black Library includes the acclaimed Gaunt's Ghosts series, the Eisenhorn and Ravenor trilogies, and I Am Slaughter, the opening novel in The Beast Arises series. A prolific comics writer, he scripted the first Horus Heresy graphic novel, Macragge's Honour . He lives and works in Maidstone, Kent in the UK. Rob Sanders is the author of the Horus Heresy novellas Cybernetica and The Serpent Beneath, the latter of which appeared in the New York Times bestselling anthology The Primarchs. His other Black Library credits include the The Beast Arises novels Predator, Prey and Shadow of Ullanor, the Warhammer 40,000 titles Sons of the Hydra, Skitarius, Tech-Priest, Legion of the Damned, Atlas Infernal and Redemption Corps and the audio drama The Path Forsaken. He has also written the Warhammer Archaon duology, Everchosen and Lord of Chaos, along with many short stories for the Horus Heresy and Warhammer 40,000. He lives in the city of Lincoln, UK.

Gav Thorpe is the author of the Horus Heresy novels Deliverance Lost, Angels of Caliban and Corax . He is particularly well known for his Dark Angels stories, including the Legacy of Caliban series and the Space Marine Legends novel Azrael . His Warhammer 40,000 repertoire further includes the Path of the Eldar trilogy, The Beast Arises novel The Beast Must Die and the Phoenix Lords novels Asurmen and Jain Zar . For Warhammer, Gav has penned The Sundering trilogy, the End Times novel The Curse of Khaine and the novel Warbeast in the Realmgate Wars series. He lives and works in Nottingham, UK. David Annandale is the author of the Horus Heresy novel The Damnation of Pythos , the Adeptus Titanicus novel Warlord and the Grey Knights books Sons of Titan and Warden of the Blade . He also writes the Commissar Yarrick series, which includes the novella Chains of Golgotha and the novels Imperial Creed and The Pyres of Armageddon . For the Space Marine Battles series, he has written the novels The Death of Antagonis and Overfiend , while he is also the author of three volumes in The Beast Arises series.

David lectures at a Canadian university on subjects ranging from English literature to horror films and video games.