Communists vilified her as a raging neurotic. Leftists dismissed her as a confused idealist. Her family pitied her as an exploited lover. Some said she was a traitor, a stooge, a mercenary and a grandstander. To others she was a true American heroine--fearless, principled, bold and resolute. Congressional committees loved her. The FBI hailed her as an avenging angel. The Catholics embraced her. But the fact is, more than half a century after she captured the headlines as the "Red Spy Queen," Elizabeth Bentley remains a mystery.New England-born, conservatively raised, and Vassar-educated, Bentley was groomed for a quiet life, a small life, which she explored briefly in the 1920s as a teacher, instructing well-heeled young women on the beauty of Romance languages at an east coast boarding school. But in her mid-twenties, she rejected both past and future and set herself on an entirely new course. In the 1930s she embraced communism and fell in love with an undercover KGB...