Hidden Figures: The American Dream & the Untold Story of the Black Women Mathematicians Who Helped Win the Space Race, by Margo Lee Shetterly

I bought this one on a whim while at Barnes & Noble because I'm a space nerd & I wasn't going to wait for it to come out in paperback while it was right there in front of me. What really surprised me was my best friend--who I don't think of as a nonfiction fan--started gushing about it & demanded that I read it.