In his hilarious picture book debut the acclaimed Mo Willems perfectly captures a toddler's temper tantrum When a bus driver takes a break in this hilarious Caldecott Honor-winning picture book he gives the reader just one instruction Don't let the pigeon drive the bus! But boy that pigeon tries every trick in the book to get in that driving seat he whines wheedles fibs & flatters Will you let him drive? Told entirely in speech bubbles this brilliantly original & funny picture book demands audience participation!