Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1076
Points per Word
0.000465
Page Count
24
Points per Page
0.020833
Description
This book describes how inventions such as the cotton gin transformed America from an agricultural country to an industrial one, and led to both problems and opportunities.