Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1809
Points per Word
0.000276
Description
Charles Darwin is known for his Origin of Species book, yet Darwin had another great love: worms. This is the true story of how Darwin came to discover that the humble earthworm is the most important species on Earth.