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on 16 June 2017
Very good
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on 18 July 2011
This is a fairly short and digestible book. It is about Ultra, the handling and uses of itelligence from Enigma traffic, and does not just deal exclusively with the code breaking at Bletchly Park.
I found it very interesting, particularly the way that the intelligence picture was built up from fragmentary decyphering of transmissions, logging quantities and geographical sources of traffic and the uses to which it was put. The films often don't make clear that many messages took days or weeks to decode or that decoding failed completely.
I shall definitely take a more detailed look at the subject having read this very good book.
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on 5 January 2008
Unfortunately you don't learn a great deal about Bletchley Park in this volume, but you do get to feel you have a nodding acquaintance with some of the key players.

By its nature a book like this (memoirs of someone working there from some thirty years on) is going to be sketchy and anecdotal, and very far from being complete, but as an interesting adjunct to all the other works which document this crucial aspect of WWII it's worthwhile.

The author's style is self-deprecatory in places, almost apologetic, but a sense of his love for the whole episode shines through.

Get this if you're a serious historian, borrow it if you're interest is merely casual, but read it anyway.
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on 24 June 2013
reading this book gave me further insight into a matter which i thought i fully understood, now having read i now now more in fuller detail.
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VINE VOICEon 20 January 2010
Reading a book about an interesting subject can sometimes make it difficult to judge however I really enjoyed this book so am giving it the full marks. It should be noted that this is very short, just 140 pages over five chapters plus some appendixes.

The author worked in Hut 3 and gives an overview of the code breaking, no real detail, but is more involved with Hut 3 and Ultra, dealing with the decrypted messages. The writing is in a nice flowing style.

Chapter 1 - Bletchley Park
Overview what was done there. Brief outline of the author getting there (only in 1942) and some of the weakness with the Germans use of it.

Chapter 2 - The Enigma and the Poles
Excellent to get the story from before we worked on it and learn some of the details of it with their hard work, insight on taking up the intelligence of what was offered by the French when we and the French(cyphers) not that interested. Description of the Enigma machine.

Chapter 3 - Three Stages to Daylight
Discusses interception, decypher and use.

Chapter 4 - The Uses of Ultra
What he's lead up to with some interesting examples and putting its value in perspective.

Chapter 5 - A verdict
Summing up the achievements.
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on 2 October 2014
Excellent service, fist class product, recommended
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on 11 October 2015
just the ticket !
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