What are you figuring now? : a story about Benjamin Banneker /
by Jeri Ferris ; illustrations by Amy Johnson.
- Minneapolis : Carolrhoda Books, c1988.
- 64 p. : ill. ; 23 cm.
- A Carolrhoda creative minds book .
A biography of the Afro-American farmer and self-taught mathematician, astronomer, and surveyor for the new capital city of the United States in 1791, who also calculated a successful almanac notable for its preciseness.