When Gerald the elephant and Piggie realize that they are in a book, they decide to have some fun with the reader.
- ISBN10 1423133080
- ISBN13 9781423133087
- Publish Date 14 September 2010
- Publish Status Active
- Publish Country US
- Imprint Hyperion Books for Children
- Format Hardcover
- Pages 64
- Language English
- URL https://penguinrandomhouse.com/books/isbn/9781423133087