Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1732
Points per Word
0.000289
Page Count
48
Points per Page
0.010417
Description
This amusing and informative history of inventions covers the toilet, telephones, frozen food, soccer nets, safety razors, and space inventions.