Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2392
Points per Word
0.000209
Page Count
32
Points per Page
0.015625
Series
Invisible World
Description
This book describes how the circulatory system works and what it does for the body.