Mo Willems is the renowned author of many award-winning books, including the Caldecott Honor winners Don't Let the Pigeon Drive the Bus!, Knuffle Bunny and Knuffle Bunny Too. His other groundbreaking picture books include Knuffle Bunny Free, Leonardo, the Terrible Monster and Edwina: The Dinosaur Who Didn't Know She Was Extinct. Before making picture books, Mo was a writer and illustrator on Sesame Street, where he won six Emmys. Mo lives with his family in Massachusetts, USA. Visit Mo online at www.mowillems.com and www.GoMo.net.