Patrick Carman

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.

In the year 2051, when most Americans live in one of two gigantic, modern States, Faith Daniels, part of a dwindling group that lives between, learns that she, like other misfits, has unusual abilities that could help when the inevitable war begins.