This young reader's edition 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 from their white counterparts despite their groundbreaking successes.

Biography of NASA mathematician Katherine Johnson. Shares the story of the pioneering African American mathematician, Katherine Johnson, who helped calculate America's first manned flight into space, its first manned orbit of Earth, and the world's first trip to the moon.