Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4883
Points per Word
0.000205
Page Count
64
Points per Page
0.015625
Description
This book looks at some of the tiniest living and human-made things on Earth, including insects, germs, and technology.