Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.6
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
19073
Points per Word
0.000157
Page Count
130
Points per Page
0.023077
Series
World of Tens
Description
This book discusses how the use or trade of chocolate, tea, sugarcane, cotton, potatoes, corn, rubber, pepper, cinchona, and papyrus changed the course of history.