Mark Morris has written tie-in novels for Hellboy, Spartacus, Doctor Who and Torchwood, and novelizations for Vampire Circus and the game Dead Island. He has published 10 critically acclaimed novels, and in 2007 he won the British Fantasy Award for his anthology Cinema Macabre. In 2014, Titan Books will publish The Obsidian Heart, the first novel in Morris's new paranormal trilogy.