Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
305
Points per Word
0.001639
Page Count
32
Points per Page
0.015625
Description
This book describes microscopic life forms, such as fungi, mold, mildew, and bacteria, that live in homes and examines how they can help or harm people.