Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.5
Points
6.0
Fiction/Nonfiction
Fiction
Word Count
43757
Points per Word
0.000137
Page Count
219
Points per Page
0.027397
Description
Riley Green invents a lie detector pen, hoping to improve her status at her Washington, D.C. school. After someone steals Riley's idea, her favorite teacher entrusts her with Nikola Tesla's lost notebook and then goes missing.