Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7562
Points per Word
0.000132
Page Count
48
Points per Page
0.020833
Description
This book briefly describes things that exist in the universe, including stars, planets, and comets. The coauthor is Eileen O'Brien.