It's Christmas time, and Wizz is preparing for a visit from Santa! He knows he's been a good boy, but with every page you turn it seems he's getting naughtier and naughtier. It's Christmas time, and Wizz is preparing for a visit from Santa! He knows he's been a good boy, but with every page you turn it seems he's getting naughtier and naughtier . The latest title in the amazing Do Not Open This Book series, from TV and radio personality Andy Lee, currently with over 2 million Facebook followers! Bestselling series with over 2 million copies sold worldwide and translated into over 35 languages.