Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6062
Points per Word
0.000165
Page Count
48
Points per Page
0.020833
Series
Eye Wonder
Description
Text and photographs cover a number of machines and inventions from ancient times to the present, including the wheel, the steam engine, power looms, locomotives and diesels, automobiles and airplanes, and spacecraft.