Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2687
Points per Word
0.000186
Page Count
32
Points per Page
0.015625
Series
How Machines Work
Description
This book describes in detail how the engines, wings, and controls of airplanes and helicopters work.