Counting on Katherine / Helaine Becker ; illustrated by Dow Phumiruk.
"You've likely heard of the historic Apollo 13 [mission]. But do you know about the mathematical genius who made sure that Apollo 13 returned safely home? As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitc...
New York :
Henry Holt and Company,
United States. > National Aeronautics and Space Administration > Officials and employees > Biography > Juvenile literature.
Walker Library - 3rd Floor
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