Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.6
Points
5.0
Fiction/Nonfiction
Nonfiction
Word Count
29345
Points per Word
0.00017
Description
This book is a collection of stories of the men and women who built and flew the first aircraft, pioneered the early commercial and mail routes, and chartered the course through dangerous Rocky Mountain passes.