The Tale of Despereaux is a 2003 children's fantasy book by American writer 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.

Katrina Elizabeth DiCamillo is an American children's fiction author. She has published over 25 novels, including Because of Winn-Dixie, The Tiger Rising, The Tale of Despereaux, The Miraculous Journey of Edward Tulane, The Magician's Elephant, the Mercy Watson series, and Flora & Ulysses. Her books have sold around 37 million copies. Four have been developed into films and two have been adapted into musical settings. Her works have won various awards; The Tale of Despereaux and Flora & Ulysses won the Newbery Medal, making DiCamillo one of six authors to have won two Newbery Medals.