Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3807
Points per Word
0.000263
Page Count
48
Points per Page
0.020833
Description
This book is a biography of the inventor of the cotton gin, whose application of standardized parts to the production of weapons and other machines was a major influence in the development of industry.