Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.6
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
18681
Points per Word
0.000161
Page Count
128
Points per Page
0.023438
Series
In American History
Description
This book traces the history of the 1986 Challenger mission and studies the causes of the explosion which killed teacher Christa McAuliffe and six other astronauts.