A MysteryBook - 2009
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.
Publisher: New York, N.Y : Amulet Books, 2009.
Branch Call Number: JF
Characteristics: 259 pages : illustrations, map ; 22 cm