Ten-year-old Christina lives a sheltered life until she discovers a secret tunnel, an evil plot to enslave orphans, and a mysterious source of energy known as zoom.
- ISBN10 0805088563
- ISBN13 9780805088564
- Publish Date 1 September 2009
- Publish Status Out of Print
- Out of Print 27 July 2021
- Publish Country US
- Imprint Henry Holt & Company
- Format Hardcover
- Pages 304
- Language English