Mo Willems, a New York Times #1 best-selling author and illustrator, has been awarded a Caldecott Honor on three occasions, 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 series has won two Theodor Seuss Geisel Medals and five Geisel Honors. Other favorites include Leonardo, the Terrible Monster and The Story of Diva and Flea.Mo began his career as a writer and animator on Sesame Street, where he garnered six Emmy Awards. He lives with his family in Massachusetts. See above.