Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4309
Points per Word
0.000232
Page Count
32
Points per Page
0.03125
Description
This book answers several questions about microscopic life-forms, covering such topics as where they are found and how they help and harm humans.