主題詞：Women mathematicians--United States--Biography--Juvenile literature. ; African American women--Biography--Juvenile literature. ; African American mathematicians--Biography--Juvenile literature. ; Space race--Juvenile literature.
Explores the previously uncelebrated but pivotal contributions of NASA's African American women mathematicians to America's space program, describing how Jim Crow laws segregated them despite their groundbreaking successes. Includes biographies on Dorothy Jackson Vaughan (1910-2008), Mary Winston Jackson (1921-2005), Katherine Colman Goble Johnson (1918- ), Dr. Christine Mann Darden (1942- ).