As two children and their pet gazelle sneak out of the house in search of treasure, they come across a world beneath the city that is inhabited with monsters and pirates.
- ISBN10 0060783338
- ISBN13 9780060783334
- Publish Date 29 April 2008
- Publish Status Active
- Publish Country US
- Imprint HarperCollins Publishers
- Format Hardcover
- Pages 32
- Language English