His first non-Doctor Who novel, The Vesuvius Club, was published in 2004, for which he was nominated in the category of Best Newcomer in the 2006 British Book Awards. A follow-up, The Devil in Amber, was released on 6 November 2006. It transports the main character, Lucifer Box, from the Edwardian era in the first book to the roaring Twenties/Thirties. A third and final Lucifer Box novel, Black Butterfly, was published on 3 November 2008 by Simon & Schuster.