Hard-up Russia expert Dr. Sam Gaddis finally has a lead for a book that could set his career back on track. He has staggering new information about an unknown sixth member of the infamous Cambridge spy ring -- a man who has evaded detection for his entire life. But when his source suddenly dies, Gaddis is left with just shreds of his investigation, and no idea that he is already in too deep.

Two undercover KGB agents pose as a married American couple in order to spy on the United States government during the Cold War.

The thrilling true story of Richard Sorge - the man John le Carré called 'the spy to end spies', and whose actions turned the tide of the Second World War. Richard Sorge was a man with two homelands. Born of a German father and a Russian mother in Baku in 1895, he moved in a world of shifting alliances and infinite possibility. A member of the angry and deluded generation who found new, radical faiths after their experiences on the battlefields of...

"As World War II comes to a close, the United States and the Soviet Union emerge as the two greatest world powers on extreme opposites of the political spectrum. After the United States showed its hand with the atomic bomb in Hiroshima, the Soviets refuse to be left behind. With communism sweeping the globe, the two nations begin a neck-and-neck competition to build even more destructive bombs and conquer the Space Race. In their battle for dominance,...

"The New York Times bestselling author of The Spy and the Traitor tells the thrilling 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...