Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5008
Points per Word
0.0002
Page Count
48
Points per Page
0.020833
Series
Countdown to Space
Description
This book discusses the roles of several NASA spacecrafts which carried out probes during explorations of the planets.