Ebook: The Pigeon Tunnel

David John Moore Cornwell (born in 1931) (pen name John le Carré) is a British author of espionage novels. During the 1950s and the 1960s, he worked for the Security Service and the Secret Intelligence Service, and began writing novels under a pen name. His third novel, The Spy Who Came in from the Cold (1963), became an international best-seller. Following the success of this novel, he left MI6 to become a full-time author.