Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.7
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
24255
Points per Word
0.000165
Page Count
152
Points per Page
0.026316
Description
Photographs and text describe the various parasites, including fleas, ticks, lice, bedbugs, leeches, and maggots, that live in and on the human body and explains how they can harm and help people.