David Walliams is the New York Times bestselling author of Demon Dentist, The Midnight Gang, and Grandpa's Great Escape. His novels have sold over eighteen million copies worldwide and have been translated into over fifty-three languages. David's books have achieved unprecedented critical acclaim--with many reviewers comparing him to his all-time hero, Roald Dahl. In addition to being a bestselling author, David is an actor, comedian, and television personality. In 2017, he was awarded an OBE for services to charity and the arts. He lives in the UK. Tony Ross has illustrated many favorite books for children, including Lynne Reid Banks's Harry the Poisonous Centipede titles, the popular series about extra-terrestrial teacher Dr. Xargle by Jeanne Willis, and the Amber Brown books by Paula Danziger. Tony Ross lives in Cheshire, England.