"During the critical summer months of 1943, Noor Inayat Khan was the only wireless operator transmitting secret messages from Nazi-occupied France to the Special Operations Executive in England. She was a most unlikely spy: as the daughter of an Indian mystic, raised in a household devoted to peaceful reflection on the outskirts of Paris, Khan did not seem destined for wartime heroism. Yet, faced with the evils of Nazism, she could not look away....

"The ... true story of the most important female spy in history: an agent code-named "Sonya," who set the stage for the Cold War. In 1942, in a quiet village in the leafy English Cotswolds, a thin, elegant woman lived in a small cottage with her three children and her husband, who worked as a machinist nearby. Ursula Burton was friendly but reserved, and spoke English with a slight foreign accent. By all accounts, she seemed to be living a simple,...

Kim Philby was the greatest spy in history, a brilliant and charming man who rose to head Britain's counterintelligence against the Soviet Union during the height of the Cold War, while he was secretly working for the enemy. Nobody thought he knew Philby like Nicholas Elliott, Philby's best friend and fellow officer in MI6. But Philby was secretly betraying his friend. Every word Elliott breathed to Philby was transmitted back to Moscow, along with...