Title: The unknowns
First published: 2009
Description: 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.
Subjects: Conspiracies, Fiction, Trailer camps, Mathematics, Missing persons, Mystery and detective stories, Children's fiction, Missing persons, fiction, Conspiracies, fiction, Camps, fiction
LC classification: PZ7.C2122 Un 2009