Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3707
Points per Word
0.00027
Page Count
62
Points per Page
0.016129
Series
Step-Up Nature Books
Description
Briefly describes in chronological order many of the strange animals that lived on earth between the time life began and the appearance of humans.