The gripping story of four female African-American mathematicians who literally made it possible to launch US rockets--and astronauts--into space. Tells the thrilling tale of how each woman contributed, the struggles and resistance each experienced, and the amazing results. Consultants currently works for NASA. Written by Rebecca Rissman. Paperback; 112 pages.

The Library of Congress Young Readers Center is a resource for children, teens, and their families that encourages reading and participation in activities centered on the Librarys programs and collections.

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