Ashlee Vance’s biography, Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future, provides an inside look at the life of one of Silicon Valley’s most audacious entrepreneurs. Eileen Pollack‘s The Only Woman in the Room: Why Science Is Still a Boys’ Club, presents a bracingly honest exploration of why there are still so few women in the hard sciences. Margaret Lazarus Dean bears witness to the end of a golden era, in Leaving Orbit: Notes from the Last Days of American Spaceflight.