Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
15931
Points per Word
0.000188
Page Count
109
Points per Page
0.027523
Description
This book describes the discovery and observation of the ninth planet, Pluto, and what has been learned about its orbit, its makeup, and its moon.