Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
779
Points per Word
0.000642
Page Count
32
Points per Page
0.015625
Description
This book combines illustrations, photography, and text to introduce Earth's prehistoric mammals, including such species as woolly mammoths and saber-toothed cats.