I'm a Frog! (Elephant and Piggie, #20)

Gerald is careful. Piggie is not.<br/>Piggie cannot help smiling. Gerald can.<br/>Gerald worries so that Piggie does not have to.<br/><br/>Gerald and Piggie are best friends.<br/><br/>In I'm a Frog! Piggie has some ribbiting news! Can Gerald make the leap required to accept Piggie's new identity?