Jenny, a mysterious dog, shows up on Sam's birthday and pulls many of the other dogs in the neighborhood into her quest to prevent the destruction of the world.
- ISBN10 0399243569
- ISBN13 9780399243561
- Publish Date 20 September 2007
- Publish Status Temporarily Withdrawn
- Out of Print 1 December 2016
- Publish Country US
- Imprint Putnam Publishing Group
- Format Hardcover
- Language English