Tom O'Malley is a sarcastic, popular 12-year old who has spent the past year avoiding friends and hiding out at home after a terrible accident. But when Tom finally agrees to leave home for summer camp, he is drawn into the transformative world of Nyi, where the secrets of Earth -- from the extinction of the dinosaurs to the origins of trolls -- are revealed, and where Tom and his friends must face an ancient evil. This suspenseful, witty debut novel...