Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2597
Points per Word
0.000193
Page Count
40
Points per Page
0.0125
Description
This book provides an overview of the origin and evolution of life on earth and of what has been learned from the study of evolution.