Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2037
Points per Word
0.000245
Page Count
32
Points per Page
0.015625
Series
Parasites
Description
Leeches are bloodsucking hitchhikers. They attach themselves to hosts, both human and animal, gorge on blood, and then fall off. Despite the health problems they cause for humans and animals alike, leeches have been used by healers for hundreds of years.