Mo Willems is the author of groundbreaking picture books, including; Knuffle Bunny: A Cautionary Tale (Caldecott Honor winner 2004); Don't Let the Pigeon Drive the Bus! (Caldecott Honor winner 2003); Don't Let the Pigeon Stay up Late!; The Pigeon Finds a Hot Dog!; Time to Say "Please"!; Leonardo, the Terrible Monster; Edwina, the Dinosaur Who Didn't Know She Was Extinct. He also wrote Today I will Fly! and My Friend Is Sad, the first books in this series.
In his previous life, Mo was a six-time Emmy Award winning writer and animator for Sesame Street and the creator of Cartoon Network's Sheep in the Big City. He lives with his family in Brooklyn, New York.
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