Gerald is careful. Piggie is not. Piggie cannot help smiling. Gerald can. But Gerald and Piggie are best friends. This heartwarming, witty, and laugh-out-loud series from bestselling author Mo Willems is perfect for read alouds and early readers alike. Vetted by early learning specialists and emerging learners themselves, young readers will relish in the hilarious mishaps of this Geisel Award-winning duo. These books are a must-have for any PreK-2 library.