Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8644
Points per Word
0.000116
Page Count
64
Points per Page
0.015625
Description
Readers will learn about how the "Challenger" explosion happened, the subsequent investigation into its causes, and how it set back U.S. investment in space exploration.