The Must-read spy novels offer thrilling plots, suspense, and intrigue, transporting readers into the world of espionage. Classics like John le Carré’s The Spy Who Came in from the Cold and Ian Fleming’s James Bond series deliver high-stakes action and complex characters. Modern gems like The Night Manager and Daniel Silva’s Gabriel Allon series continue the tradition with gripping narratives. These novels are perfect for fans of espionage, uncovering secrets, betrayal, and the complex psychology of international spies.