Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.9
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
12780
Points per Word
0.000156
Page Count
48
Points per Page
0.041667
Series
Extinct Species
Description
This book examines extinct species of reptiles and amphibians, and discusses why extinction happens, as well as how information is gathered on species that existed before humans evolved.