Island of the Unknowns
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: CAREY
Characteristics: xi, 265 p. : ill. ; 21 cm
Alternative Title: The unknowns