"Mary Shelley is the definitive account of the gifted and tragic author whose escape to France at seventeen with the married poet Percy Bysshe Shelley caused great scandal in London and permanently scarred her reputation. The couple traveled, with Mary's stepsister Claire Clairmont in tow, from France to Italy and Switzerland. In the summer of 1816 they rented a villa near Lord Byron's on Lake Geneva where, on a famous night of eerie thunderstorms,...