Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4548
Points per Word
0.00022
Page Count
32
Points per Page
0.03125
Series
Planet Library
Description
This book introduces the solar system, its planets, moons, asteroids, comets, and exploration.