Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7633
Points per Word
0.000131
Page Count
79
Points per Page
0.012658
Series
Colonial Leaders
Description
This is a biography of the eighteenth-century African American who taught himself mathematics and astronomy and helped survey what would become Washington, D.C.