The Guy Liddell Diaries, Volume I
Guy Liddell, MI5's Director of Counter-Espionage, kept a daily diary of »

Historical Dictionary of Chinese Intelligence
 »

Historical Dictionary of Ian Fleming's World of Intelligence
Fact and Fiction »

The A to Z of British Intelligence
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Counterfeit Spies
Genuine or Bogus? »

Mask Mi5's Penetration of the Communist Party of Great Britain
This book details MI5's interception and exploitation of secret Comintern wireless traffic, which revealed the first evidence of widescale Soviet espionage i... »

Historical Dictionary Of Naval Intelligence
Historical Dictionary of Naval Intelligence »

Historical Dictionary of Signals Intelligence
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Guy Liddell Diaries, Volume 1
1939-1942 »

The Guy Liddell Diaries Volume Ii, 1942 - 1945
v. 2 »