Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1863
Points per Word
0.000268
Page Count
32
Points per Page
0.015625
Description
Young readers will get all the facts about bacteria and viruses, including their similarities and differences, how they cause infections, and how people can keep dangerous germs from spreading.