 Wallis put out other books through Magnum Opus, including the debut novel "Game Night" (2007) by Jonny Nexus, and a new edition of his own "The Extraordinary Adventures of Baron Munchausen" (2008).Wallis is a narrative media consultant, creating online games for clients including the BBC, the U.K. Home Office, and Endemol Television.He lives in London with his wife and children.