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List of Maps | |
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Prologue: Midway | |
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"No Good, Not Even for Intelligence" | |
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The end of the Black Chamber | |
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William F. Friedman picks up the pieces | |
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"I had the good sense to get out of it!" | |
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Room 40 | |
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Winston Churchill, an early convert | |
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The Foreign Office, a late convert | |
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The Soviet intercepts | |
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A strategic failure for intelligence | |
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Nature of the Beast | |
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The birth of codebreaking | |
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Machine ciphers, Poland, and the Enigma | |
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Depth reading | |
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The distinct limitations of thievery | |
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Solving the Red machine | |
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"Il y a du Nouveau" | |
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1939, a dark new year | |
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Meeting at Pyry Forest | |
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Marian Rejewski's mathematical feat | |
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Recovering the daily Enigma keys | |
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Alan Turing and other "men of the professor type" | |
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Bletchley Park | |
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The Poles' flight | |
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Fighting Back | |
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British mathematicians vs. the Enigma | |
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The bombe takes shape | |
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"A pile of dull, disjointed, and enigmatic scraps" | |
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Cryptanalytic talent | |
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Norway and Yellow | |
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France and Red | |
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HMS Glorious | |
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Impossible Problems | |
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The sinking of U-33 | |
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Naval Enigma and the bombe | |
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Operation Ruthless and other straws | |
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American isolationism | |
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Purple | |
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The British charm offensive | |
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A mission to Bletchley, bearing gifts | |
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Success Breeds Success | |
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The Blitz | |
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Cape Matapan | |
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Boniface, Barbarossa, and Bismarck | |
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Naval Enigma, U-110, and the trawler pinches | |
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The eastern front and German atrocities | |
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Trafalgar Day | |
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Cribs and continuity | |
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The Machines | |
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The British make polite noises | |
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IBM machines and JN-25 | |
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The machine attack on Floradora | |
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Washington at war | |
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Military vs. civilians | |
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An American ultimatum | |
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Better bombes | |
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High-speed analyzers | |
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Paranoia Is Our Profession | |
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Donitz's suspicions | |
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The evacuation of Corregidor | |
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The Midway leak | |
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Some bungled operations | |
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"Do Not Talk at Meals" | |
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Suspicions among friends | |
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The Shadow War | |
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Calling the shots in the Mediterranean | |
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Torch and deception | |
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The flight from Vichy | |
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Atlantic convoys | |
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U-559 and the breaking of Shark | |
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The hunt for leaks | |
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The American invasion | |
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Pressures and diversions | |
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Women in uniform | |
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Command of the Ether | |
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Russian espionage and Project Venona | |
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GEE and Fish | |
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Masters of deception | |
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Yamamoto | |
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The Water Transport code | |
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Failure in the Ardennes | |
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Signaling the end | |
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Epilogue: Legacy | |
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Appendixes | |
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Chronology | |
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Naval Enigma: Its Indicating System and the Method of "Banburismus" | |
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Cryptanalysis of the Purple Machine | |
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The Intercept Network | |
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Rapid Analytical Machinery (RAM) | |
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Notes | |
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Glossary and Abbreviations | |
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Bibliography | |
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Acknowledgments | |
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Index | |