The Bletchley Park Codebreakers

By: Ralph Erskine (Editor)

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Paperback | 13 December 2011

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560 Pages

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19.8 x 12.9 x 3.0

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The British codebreakers at Bletchley Park are now believed to have shortened the duration of the Second World War by up to two years. During the dark days of 1941, as Britain stood almost alone against the the Nazis, this remarkable achievement seemed impossible. This extraordinary book, originally published as Action This Day, includes descriptions by some of Britain's foremost historians of the work of Bletchley Park, from the breaking ofEnigma and other wartime codes to the invention of modern computing, and its influence on Cold War codebreaking. Crucially, it features personal reminiscences and very human stories of wartime codebreaking from former Bletchley Park codebreakers themselves. This edition includes new material from one of those who was there, making The Bletchley Park Codebreakers compulsive reading. The best collection of military, espionage, and adventure stories ever told. The Dialogue Espionage Classics series began in 2010 with the purpose of bringing back classic out-of-print spying and espionage tales.From WWI and WWII to the Cold War, D-Day to the SOE, Bletchley Park to the Comet Line this fascinating spy history series brings you the best stories that should never be forgotten.

Industry Reviews

'Absolutely the best book ever written about codebreaking at Bletchley Park' Louis Kruh, Editor, Cryptologia '(A) remarkable collection of essays. Leaves one in awe of the complexity of Bletchley Park and its impact on both the world war and our postwar world.' Whitfield Diffie, Times Higher Educational Supplement

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You Can Find This Book In

Non-Fiction History General & World History Regional & National History European History British & Irish History Politics & Government Political Control & Freedoms Warfare & Defence Military & Defence Strategy Military Intelligence Military History

Second World War Earliest Times to Present Day 20th Century History from 1900 to 2000

Acknowledgements	p. ix
Letter from the Bletchley Park codebreakers to Churchill	p. x
Dramatis Personae	p. xiv
Bletchley Park in Pre-War Perspective	p. 1
The Government Code and Cypher School and the First Cold War	p. 13
Reminiscences on the Enigma	p. 35
Breaking Air Force and Army Enigma	p. 40
Hut 6 From the Inside	p. 65
Breaking Italian Naval Enigma	p. 79
A Biographical Fragment: 1942-5	p. 93
An Undervalued Effort: How the British Broke Japan's Codes	p. 107
Solving JN-25 at Bletchley Park: 1943-5	p. 127
Most Helpful and Co-operative: GC&CS and the Development of American Diplomatic Cryptanalysis, 1941-2	p. 147
Breaking German Naval Enigma on Both Sides of the Atlantic	p. 165
Hut 8 From the Inside	p. 184
Bletchley Park and the Birth of the Very Special Relationship	p. 195
Mihailović otTito? How the Codebreakers Helped Churchill Choose	p. 217
Traffic Analysis: A Log-reader's Tale	p. 240
Bletchley Park, Double Cross and D-Day	p. 251
How Dilly Knox And His Girls Broke the Abwehr Enigma	p. 270
Breaking Tunny and the Birth of Colossus	p. 283
Colossus and the Dawning of the Computer Age	p. 305
Enigma's Security: What the Germans Really Knew	p. 328
From Amateurs to Professionals: GC&CS and Institution-Building in Signals Intelligence	p. 341
Cold War Codebreaking and Beyond: the Legacy of Bletchley Park	p. 355
Bletchley Park in Post-War Perspective	p. 378
The very simple cipher which 'Snow', the first Double Cross agent, was given by his German controllers	p. 386
Wehrmacht Enigma Indicating Systems, except the Kriegsmarine's Kenngruppenbuch System	p. 389
The Naval Enigma Kenngruppenbuch Indicator System - used with the main wartime ciphers	p. 393
Cillies	p. 396
Enciphering by JN-25	p. 400
Recovery by Differencing	p. 402
Bayes, Hall's Weights and the Standardising of Judgements	p. 406
Notes and references	p. 410
Glossary and abbreviations	p. 471
Notes on Contributors	p. 480
Index
Table of Contents provided by Ingram. All Rights Reserved.

The Bletchley Park Codebreakers

At a Glance

Paperback

Industry Reviews

Shipping

How to return your order

Defective items

You Can Find This Book In

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