Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7748
Points per Word
0.000129
Page Count
48
Points per Page
0.020833
Description
This book looks at what makes Earth such a special place for life. It concludes that life can survive in a much wider range of conditions that people once thought.