Elephants Cannot Dance! by Mo Willems (An Elephant & Piggie Book)

How does a guy with four left feet learn to dance? In his own special way.Gerald is careful. Piggie is not.Piggie cannot help smiling. Gerald can.Gerald worries so that Piggie does not have to.Gerald and Piggie are best friends. In Elephants Cannot Dance! Piggie tries to teach Gerald some new moves. But will Gerald teach Piggie something even more important?