The Unknowns/Island of the Unknowns: A Mystery
by Carey, Benedict
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
5.3
AR Points
8
Word Count
55,237
Interest Level
Middle Grades (MG 4-8)
Genre
Fiction
AR Quiz #
130441 EN
About this book
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.