The Duckling asks for a cookie -- and gets one! Do you think the Pigeon is happy about that? 作者簡介 Mo Willems is the author of the Caldecott Honor winning books Don't Let the Pigeon Drive the Bus!, Knuffle Bunny, Knuffle Bunny Too as well as the Theodor Seuss Geisel Medal winning Elephant and Piggie books. An acclaimed animator and television script-writer, he has won six Emmy awards for his writing on Sesame Street and is also the creator of Sheep in the Big City. Mo lives with his family in Massachusetts, USA.