![Counting on Katherine: How Katherine Johnson Saved Apollo 13](http://griotbda.com/cdn/shop/products/463d9ea5f9620b1adca0cabe8c7fde69aa1ff5e4_{width}x.png?v=1584805611)
Counting on Katherine: How Katherine Johnson Saved Apollo 13
The bold story of an African-American mathematician who worked for NASA during the space race and was depicted in the film "Hidden Figures, " and how she made sure that the crew of Apollo 13 returned home. Full color.