Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
2.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
852
Points per Word
0.000587
Page Count
16
Points per Page
0.03125
Series
System 44
Description
This book explains how experts track space rocks, or asteroids, in order to protect Earth.