Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
6.9
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
21939
Points per Word
0.000182
Description
Wolves, beavers, whales and even genetically-engineered woolly mammoths could all help us protect, revive and restore our planet to its full glory.