Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
7.0
Fiction/Nonfiction
Fiction
Word Count
40428
Points per Word
0.000173
Page Count
182
Points per Page
0.038462
Description
Upon moving to Sentinel House, five-year-old Matty and fifteen-year-old Graham encounter ghosts from a nearby military compound, but real trouble begins when their father is arrested for posting information about a secret weapons system on the Internet.