Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7891
Points per Word
0.000127
Page Count
64
Points per Page
0.015625
Description
This book explains which country sent the first satellite into space, discusses the last time people walked on the Moon, and considers whether space is getting crowded.