1. Captain_Crusty

    GCHQ: The Secret Wireless War 1900-1986

    GCHQ by Nigel West is a truly expansive history of the UK's SIGINT capabilities, up to 1986. The author is so well versed in the arcane dealings of the intelligence community that The Sunday Times reported that he is believed by some people to be the unofficial historian of the secret services...
  2. Helm


    This is a very comprehensive account of MI5's actions during the period indicated. While not a subject I have any real knowledge of, it seems well researched and accurate. That said it's rather a dry read and a little soulless in places. It goes into a lot of detail around the organisation and...