Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4532
Points per Word
0.000221
Page Count
64
Points per Page
0.015625
Series
First Book
Description
This book describes what has been learned about the composition, orbits, and the existence of several well-known comets.