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!, My Friend Is Sad, There Is a Bird on Your Head, and I Am Invited to a Party!, 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. same as above