1957, the sexual revolution has not yet swept America, 40 years before the filming of Sex and the City: gynecologist William Masters and his assistant Virginia Johnson begin a fascinating study of marital love. Observing the sexual reactions of more than 700 men and women, for the first time in history they study the process of arousal and the subtleties of sexual stimulation. In his book, Thomas Mayer describes in detail the personal life and history of the research of Masters and Johnson, the amazing scientists who taught America to love. The Showtime series of the same name was based on the book starring Michael Sheen and Lizzy Caplan.