Pigs make me sneeze! : an Elephant & Piggie book /
by Mo Willems.
- 1st ed. --
- New York : Hyperion Books for Children, c2009.
- 56 p. : col. ill. ; 24 cm
- Willems, Mo. Elephant & Piggie book. .
Gerald believes he is allergic to his best friend! Will he have to stay away from Piggie forever?