Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3900
Points per Word
0.000256
Page Count
32
Points per Page
0.03125
Description
This book contains kid-tested cool projects making spy supplies that will inspire young science buffs to experiment with their own ideas.