When Pamela Churchill Harriman died in 1997, she was often written off as a courtesan and social climber known for her glamorous life and many erotic adventures. But in her delicious and comprehensive new biography, prize-winning author SONIA PURNELL helps set the record straight in the captivating story of a woman who was at the center of power over five decades and two continents.Purnell will share the details of Harriman’s glittery and strategic life: how at age  20, as Churchill’s beloved daughter-in-law, she became a “secret weapon” during World War II, and how, later in the United States, she hand-picked Bill Clinton and helped propel him to the presidency.