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.

Carole Johnstone’s award-winning short fiction has been reprinted in many annual 'Best of' anthologies in the UK and US. She lives in Argyll & Bute, Scotland, with her husband. Mirrorland is her debut novel.

Pirya Sharma's fiction has appeared in Interzone, Black Static, Nightmare, The Dark and Tor.com. She's been anthologised in several of Ellen Datlow's Best Horror of the Year series, Paula Guran's Year's Best Dark Fantasy & Horror series, Jonathan Strahan's The Best Science Fiction & Fantasy 2014, Steve Haynes' Best British Fantasy 2014, and Johnny Main's Best British Horror 2015. She's also been on many Locus' Recommended Reading Lists. "Fabulous Beasts" was a Shirley Jackson Award finalist and won a British Fantasy Award for Short Fiction. She is a Grand Judge for the Aeon Award, an annual writing competition run by Albedo One, Ireland's longest-running and foremost magazine of the Fantastic. A collection of some of Priya's work, All the Fabulous Beasts, was released in 2018 from Undertow Publications.

Nina Allan is a novelist and short story writer. Her previous fiction has won several prizes, including the British Science Fiction Award for Best Novel, the Novella Award and the Grand Prix de L'Imaginaire for Best Translated Work. She lives and works in Rothesay, on the Isle of Bute. The Dollmaker is her third novel.

Tim Maughan is an author, a journalist, and a features writer who uses both fiction and nonfiction to explore issues around cities, class, culture, globalization, technology, and the future.

His work regularly appears on the BBC and in Vice and New Scientist.