The art in espionage is the ability to hide in plain sight and the greatest of spies are the ones you never learn about. This statement rings true in the case of Anthony Blunt. His life seemed predestined for greatness. A Cambridge graduate with familial ties to the Royal Family, he was the very picture of establishment respectability. His brilliance as a polymath, fluency in multiple languages, and renown as a world-class art historian made him virtually untouchable, and he knew it. Beneath this veneer of aristocratic refinement lurked a secret that would shake Britain to its very foundations. For...