Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1964
Points per Word
0.000255
Page Count
48
Points per Page
0.010417
Series
Super Science Facts
Description
In this book, readers will learn about all the ways the immune system fights germs to keep you healthy.