Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3660
Points per Word
0.000273
Page Count
32
Points per Page
0.03125
Description
Readers will learn about 12 of the most life-changing inventions that stand out in U.S. history.