Mo Willems is a three-time Caldecott Honor winner for Don't Let the Pigeon Drive the Bus!, Knuffle Bunny: A Cautionary Tale and Knuffle Bunny Too: A Case of Mistaken Identity. His celebrated Elephant & Piggie early-reader series has been awarded the Theodor Seuss Geisel Medal on two occasions as well as three Honors. Other favourites include Goldilocks and the Three Dinosaurs and That Is Not a Good Idea. Before he turned to children's books, Mo was a writer and animator on Sesame Street, where he won six Emmy Awards. Mo lives with his family in Paris, France.