Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
9.2
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
18083
Points per Word
0.000166
Page Count
159
Points per Page
0.018868
Description
This book discusses all classes of invertebrates, from the simplest to the most complex, their structure, feeding habits, and reproduction.