Sir Ian Livingstone CBE co-founded Games Workshop in 1975 with Steve Jackson, launching Dungeons and Dragons in Europe and later Warhammer, White Dwarf and Citadel Miniatures. In 1982 he co-wrote The Warlock of Firetop Mountain with Steve Jackson, the first title in the Fighting Fantasy gamebook series which went on to sell 20 million copies worldwide. He wrote fifteen titles in the series including the bestselling Deathtrap Dungeon. He is the former Executive Chairman of video games publisher Eidos where he launched blockbuster titles Lara Croft: Tomb Raider and Hitman. He is currently Non-Executive Chairman of Sumo Group plc and a co-founding partner of Hiro Capital. He lives in London. Jonathan Green is a writer of speculative fiction, with more than 80 books to his name. Well known for his contributions to the Fighting Fantasy gamebook series, he has also written fiction for Doctor Who, Star Wars, Warhammer and Marvel.

He is the creator of the Pax Britannia series for Abaddon Books and has written eight novels, as well as numerous short stories, set within this steampunk universe, featuring the debonair dandy adventurer Ulysses Quicksilver. He is also the creator of the ACE Gamebooks series, which reimagines classic works of literature as interactive novels. His non-fiction titles include the award-winning You Are the Hero: A History of Fighting Fantasy Gamebooks .