Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3604
Points per Word
0.000277
Page Count
32
Points per Page
0.03125
Series
Most Influential
Description
This book presents the most important inventions in history, from the wheel to the Internet.