Chris Riddell is an accomplished artist and the political cartoonist for the Observer. He has enjoyed great acclaim for his books for children. His books have won a number of major prizes, including the 2001 and 2004 CILIP Kate Greenaway Medals. Goth Girl and the Ghost of a Mouse won the Costa Children's Book Award 2013. His previous work for Macmillan includes the bestselling Ottoline books, The Emperor of Absurdia, and, with Paul Stewart, Muddle Earth and the Blobheads series. Chris lives in Brighton with his family.