Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2877
Points per Word
0.000174
Page Count
32
Points per Page
0.015625
Description
This book explains how modern-day reptiles evolved from prehistoric creatures, including tetrapods and the survivors after the Permian period.