Ten-year-old Leo's future and the fate of the extraordinary Whippet Hotel, where his father is the maintenance man, are at stake when a series of cryptic boxes leads Leo to hidden floors, strange puzzles, and unexpected alliances.
- ISBN10 0545255198
- ISBN13 9780545255196
- Publish Date 1 September 2011
- Publish Status Out of Stock
- Publish Country US
- Imprint Scholastic US
- Format Hardcover
- Pages 272
- Language English