Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
7.9
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
8857
Points per Word
0.000226
Description
The story of flight, from hot-air balloons to supersonic aircraft, including some of the men and women who have shaped the course of aviation history. Part of the Great Explorers series.