George Mann (Author) George Mann is the author of the bestselling Doctor Who- Engines of War and Newbury & Hobbes steampunk mystery series, as well as numerous other novels, short stories and original audiobooks. He has edited a number of anthologies including The Solaris Book of New Science Fiction, The Solaris Book of New Fantasy and a retrospective collection of Sexton Blake stories, Sexton Blake, Detective. He lives near Grantham, UK, with his wife, son and daughter.Justin Richards (Author) A celebrated writer and Creative Consultant to the BBC Books range of Doctor Who books, Justin Richards lives and works in Warwick with his wife and two children. When he's not writing, he can be found indulging his passion for inventing, reading and watching far too much television.Cavan Scott (Author) Number One Bestseller Cavan Scott has written for such popular series as Star Wars, Vikings, Warhammer 40,000 and, of course, Doctor Who. He's the writer of Titan Comic's ongoing adventures of the Ninth Doctor and was one of the 2016 World Book Day authors.