The Spy in the Archive: How One Man Tried to Kill the KGB is a nonfiction account of a former Soviet Union KGB librarian, Vasili Mitrokhin, who smuggled highly valued secret archives (of information) to the Western democracies. He later defected the United Kingdom in 1992 with the help of the British MI6. The book was written by Gordon Corera and published by Pegasus Books in January 2026. It was previously published by William Collins, London, in 2025.