Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4577
Points per Word
0.000218
Page Count
48
Points per Page
0.020833
Series
I Know America
Description
Examines the United States space program from the development of the first rockets after World War II to the formation of NASA, the lunar landing, unmanned space probes, and space stations of the future.