Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.3
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
13106
Points per Word
0.000153
Page Count
96
Points per Page
0.020833
Description
Based on evolutionary and biological principles, scientists explore what animals and the earth will look like 5 million years, 100 million years, and 200 million years from now.