| Author | Santat |
| Cover Type | Hardcover |
| Genre | Fiction |
| Genre | Realistic Fiction |
| Description | Hog is careful. Harold is not. Harold cannot help smiling. Hog can. Hog worries so that Harold does not have to. Harold and Hog are best friends. But can Harold and Hog's friendship survive a game of pretending to be Elephant & Piggie? |