Title rated 3.5 out of 5 stars, based on 24 ratings(24 ratings)
Book, 2009
Current format, Book, 2009, , No Longer Available.
Book, 2009
Current format, Book, 2009, , No Longer Available. Offered in 0 more formats
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.
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