The tenth book in the New York Times bestselling series about the hilarious adventures of a cheeky, loveable hero. The tenth book in the New York Times bestselling series about the hilarious adventures of a cheeky, loveable hero. It's Halloween and Hank Zipzer wants to create the scariest haunted house ever! Unfortunately, Hank's dog, Cheerio, is more scared than anyone. So scared, in fact, he runs away. Have Hank's Halloween high-jinks gone too far this time?