Historical Dictionary of British Intelligence: Edition 2

Historical Dictionary of Sexspionage

Encyclopedia of Political Assassinations

Encyclopedia of Political Assassinations

Double Cross in Cairo: The True Story of the Spy Who Turned the Tide of War in the Middle East

Historical Dictionary of International Intelligence: Edition 2

Historical Dictionary of World War I Intelligence

Historical Dictionary of World War II Intelligence

Historical Dictionary of Signals Intelligence

Historical Dictionary of World War I Intelligence

Historical Dictionary of World War II Intelligence

Historical Dictionary of Signals Intelligence

Historical Dictionary of International Intelligence: Edition 2

Historical Dictionary of Cold War Counterintelligence

Historical Dictionary of Cold War Counterintelligence

Historical Dictionary of Naval Intelligence

The A to Z of Sexspionage

The A to Z of Sexspionage

Historical Dictionary of Cold War Intelligence

Historical Dictionary of Cold War Intelligence