The Thank You Book (Elephant & Piggie, #25)

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 The Thank You Book!, Piggie wants to thank EVERYONE. But Gerald is worried Piggie will forget someone . . . someone important.