Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
12454
Points per Word
0.000161
Page Count
128
Points per Page
0.015625
Description
This biography presents the life of fifteenth-century Polish astronomer Nicolaus Copernicus, who theorized that the Sun, not Earth, is the center of the universe and that all the planets, including Earth, revolve around the Sun.