Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
9970
Points per Word
0.000201
Page Count
64
Points per Page
0.03125
Description
In this book, readers will follow the evolution of the steam engine from a simple pump to the advanced electrical generators of today.