Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
6.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2653
Points per Word
0.000188
Page Count
32
Points per Page
0.015625
Description
This book introduces young readers to the development of familiar inventions such as pens, photos, phones, and much more.