AR Book Level
7.1
AR Points
3
Word Count
19,049
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
202971 EN
About this book
This book digs up the dirt on survival and extinction. Find out when bacteria and slime ruled the earth, why mutating mosquitoes are man's worst enemy, which dinosaurs let loose some deafening farts and why rabbit eat their own poo.