Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5909
Points per Word
0.000169
Page Count
48
Points per Page
0.020833
Description
This study of the single-celled disease-causing micro-organisms known as bacteria discusses how they function, how they cause illness, and how we can protect ourselves against them.