The Spy Who Came In from the Cold is a classic espionage novel by John le Carré. The story follows Alec Leamas, a British intelligence officer who is sent on a dangerous mission to East Germany during the Cold War. Leamas becomes entangled in a web of deception, surveillance, and betrayal as he navigates the treacherous world of espionage. This gripping book is a masterclass in suspense and showcases the moral complexities of the spy game.