Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
3197
Points per Word
0.000156
Page Count
48
Points per Page
0.010417
Description
This book introduces the world of blood-sucking animals, examining how and why they suck blood, and discussing historical and modern medical uses for such creatures as leeches and vampire bats.