The New York Times best-selling author of the acclaimed Dark Invasion channels Erik Larson and Ben Macintyre in this riveting biography of Betty Pack, the dazzling American debutante who became an Allied spy during WWII and was hailed by OSS chief general "Wild Bill" Donovan as "the greatest unsung heroine of the war". Betty Pack was charming, beautiful, and intelligent - and she knew it. As an agent for Britain's MI6 and then America's OSS during World War II, these qualities proved crucial to . CLICK HERE TO DOWNLOAD THIS BOOK FOR FREE