Title: Island of the unknowns
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, Missing persons, Mathematics, Mystery and detective stories, Children's fiction, Missing persons, fiction, Conspiracies, fiction, Camps, fiction, Education, fiction