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$PDF$/READ/DOWNLOAD Counting the Stars: The Story of Katherine Johnson, NASA Mathematician READ NOW : https://happyreading-book.blogspot.com/id/1534404759 From award-winning author Lesa Cline-Ransome and acclaimed illustrator Ra?l Col?n comes the sensitive, informative, and inspiring picture book biography of the remarkable mathematician Katherine Johnson, one of the NASA ?human computers? whose work was critical to the first US space launch.Before John Glenn orbited the Earth or astronauts w