Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5620
Points per Word
0.000178
Page Count
62
Points per Page
0.016129
Description
From the emperor penguins of the South Pole to the bacteria inside bubbling volcanoes, from the reptiles of the driest deserts to the squash-proof creatures of the deepest seabeds, animals have adapted to survive in conditions that would kill humans.