Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3856
Points per Word
0.000259
Page Count
32
Points per Page
0.03125
Description
Readers will learn the strange stories behind the sanitation inventions that keep us healthy and keep the world smelling fresh.