Howard Blum

Time magazine called her "the Mata Hari of Minnesota"; OSS Chief general "Wild Bill" Donovan called her "the greatest unsung heroine of the war." But for decades, the extent of Betty Pack's achievements as an agent during World War II, first for Britain's MI6 and then for America's OSS, remained classified. Now, the truth about this femme fatale--her dangerous liaisons and death-defying missions, the heartaches that haunted her life, her vital contributions...