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 Today I Will Fly!, Piggie is determined to fly. But Gerald the elephant knows that's impossible-isn't it? | ¡Hoy volaré -An Elephant and Piggie Book Spanish Edition by Mo Willems, Hardcover | Indigo Chapters