Title rated 4.1 out of 5 stars, based on 98 ratings(98 ratings)
Book, 2011
Current format, Book, 2011, 1st ed., All copies in use.
Book, 2011
Current format, Book, 2011, 1st ed., All copies in use. Offered in 0 more formats
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.
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