Book excerpt: An American heiress turned resistance hero, Muriel Gardiner was an electrifying woman who impressed everyone she met with her beauty, intelligence, and powerful personality. Her adventurous life led her from Chicago's high society to a Viennese medical school, from Sigmund Freud's inner circle to the Austrian underground. Over the years, she saved countless Jews and anti-fascists, providing shelter and documents ensuring their escape. This remarkable woman's life as a legend of the Austrian Resistance was captured in the movie Julia with Vanessa Redgrave and remains an inspiration to all those who believe that one individual can change the world. Gardiner's astonishing story is told here for the first time in all its variety and unanticipated twists and turns.