Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4476
Points per Word
0.000223
Page Count
48
Points per Page
0.020833
Series
Velocity; Unusual Histories
Description
This book traces the history of the invention of the toilet, from the earliest attempts of ancient civilizations to the modern flush toilet design.