Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.9
Points
11.0
Fiction/Nonfiction
Fiction
Word Count
75367
Points per Word
0.000146
Page Count
351
Points per Page
0.031339
Description
Twelve-year-old twins Katie and David evade foreign militants and make their way from Washington, D.C., to their uncle's Vermont home, hoping he can help rescue their parents, who were kidnapped because of Rover, their secret invention.