The Tale of Despereaux (, DES-per-oh) is a 2003 children's fantasy book written by Kate DiCamillo. The main plot follows the adventures of a mouse named Despereaux Tilling, as he sets out on his quest to rescue a beautiful human princess from the rats. The book won the 2004 Newbery Medal award and has been adapted into a film, a video game, and a stage musical. Source: Wikipedia (en)