Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.9
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
20355
Points per Word
0.000197
Page Count
112
Points per Page
0.035714
Description
Published to mark the 40th anniversary of the Smithsonian's National Air and Space Museum, this introduction to the history of aviation covers topics ranging from the Wright brothers and the first Moon walk to today's spy drones.