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. Gerald tells Piggie the long, crazy story about breaking his trunk. Will Piggie end up with a long, crazy story of her own? Once again, Mo Willems creates a hilarious escapade starring the Geisel Award-winning duo. I Broke My Trunk! will have early readers breaking into laughter from the first page.