John Ferris is a Professor of History at The University of Calgary. He has written widely on military history, strategy and intelligence studies. Among his works are The Evolution of British Strategic Policy, 1919-1926 (1989) and The British Army and Signals Intelligence during the First World War. He is a co-author of A World History of Warfare (2002).

• 1. Lord Salisbury, Secret Intelligence and British Policy Toward Russia and Central Asia, 1874-1878 2. 'Indulged in all Too Little'?: Vansittart, Intelligence and Appeasement 3. Image and Accident: Intelligence and the Origins of the Second World War, 1933-1941 4. The British 'Enigma': Britain, Signals Security and Cipher Machines, 1906-1953 5. The British Army, Signals and Security in the Desert Campaign, 1940-42 6. Clausewitz, Intelligence, Uncertainty and the Art of Command in Modern War (with Michael Handel) 7. NCW, C4ISR, IO and RMA: Towards a Revolution in Military Intelligence?

John Ferris is a Professor of History at The University of Calgary. He has written widely on military history, strategy and intelligence studies. Among his works are The Evolution of British Strategic Policy, 1919-1926 (1989) and The British Army and Signals Intelligence during the First World War. He is a co-author of A World History of Warfare (2002).

• 1. Lord Salisbury, Secret Intelligence and British Policy Toward Russia and Central Asia, 1874-1878 2. 'Indulged in all Too Little'?: Vansittart, Intelligence and Appeasement 3. Image and Accident: Intelligence and the Origins of the Second World War, 1933-1941 4. The British 'Enigma': Britain, Signals Security and Cipher Machines, 1906-1953 5. The British Army, Signals and Security in the Desert Campaign, 1940-42 6. Clausewitz, Intelligence, Uncertainty and the Art of Command in Modern War (with Michael Handel) 7. NCW, C4ISR, IO and RMA: Towards a Revolution in Military Intelligence?

John Ferris is a Professor of History at The University of Calgary. He has written widely on military history, strategy and intelligence studies. Among his works are The Evolution of British Strategic Policy, 1919-1926 (1989) and The British Army and Signals Intelligence during the First World War. He is a co-author of A World History of Warfare (2002).

• 1. Lord Salisbury, Secret Intelligence and British Policy Toward Russia and Central Asia, 1874-1878 2. 'Indulged in all Too Little'?: Vansittart, Intelligence and Appeasement 3. Image and Accident: Intelligence and the Origins of the Second World War, 1933-1941 4. The British 'Enigma': Britain, Signals Security and Cipher Machines, 1906-1953 5. The British Army, Signals and Security in the Desert Campaign, 1940-42 6. Clausewitz, Intelligence, Uncertainty and the Art of Command in Modern War (with Michael Handel) 7. NCW, C4ISR, IO and RMA: Towards a Revolution in Military Intelligence?