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The Unknowns A Mystery

Benedict Carey — 2009
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When people start vanishing from a godforsaken trailer park next to the Folsom Energy Plant, two eleven-year-olds investigate using mathematical clues that were hastily planted by their friend Mrs. Clarke before she disappeared.

In print

Bookshop.orgAmazonBook OutletWorld of BooksScholastic

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KoboAmazon

Audiobook

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Library

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