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First published in a Viking Canada hardcover by Penguin Group (Canada),
a division of Pearson Canada Inc., 2009.
Published in this edition with updated material, 2010
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ISBN: 978-0-14-317458-5
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List of Illustrations
Plates
1Â Â Vernon Kell (Hulton Deutsch Collection/Orbis)
2Â Â Major (later Brigadier General) James Edmonds (National Army Museum)
3Â Â William Le Queux with his publisher (Frederic G. Hodsoll/National Portrait Gallery, London)
4Â Â William Melville (By kind permission of Andrew Cook)
5Â Â Gustav Steinhauer (in disguise) (Steinhauer, The Kaiserâs Master Spy: The Story as Told by Himself , John Lane/The Bodley Head Ltd, 1930)
6Â Â Winston Churchill, Sidney Street Siege, 1911 (Hulton Archive/Getty Images)
7Â Â William Hinchley Cooke in German military uniform (Service Archives)
8Â Â MI9 Chemical Branch staff testing for secret writing (KV 1/73)
9Â Â Carl Lody ( Queer People by Basil Thompson, Hodder & Stoughton Ltd, 1922)
10  Karl Müller (Popperfoto/Getty Images)
11Â Â Maldwyn Haldane with Registry staff, 1918 (Service Archives)
12Â Â Vernon Kell with heads of branches, 1918 (Service Archives)
13Â Â Staff celebrating the Armistice on the roof of Waterloo House, 1918 (Service Archives)
14Â Â Letter from Vernon Kell to staff on Armistice Day (Service Archives)
15Â Â Maxwell Knight (Norman Parkinson Archive)
16Â Â Jane Archer, 1924 (family archives)
17  Percy Glading, 1942 (© Metropolitan Police Authority 2009)
18Â Â Melita Norwood, 1938 (Service Archives)
19Â Â Melita Norwood, 1999 (Tony Harris/PA Archive/Press Association Images)
20Â Â Message to Melita Norwood from her wartime controller, 1999 (by kind permission of David Burke)
21Â Â Christopher Draper with Adolf Hitler, 1932 ( The Mad Major by Christopher Draper, Air Review Ltd, 1962)
22Â Â Christopher Draper flying under Westminster Bridge ( The Mad Major by Christopher Draper, Air Review Ltd, 1962)
23Â Â Wolfgang zu Putlitzâs passport in the name of William Putter, 1938 (Service Archives)
24Â Â Jona âKlopâ Ustinov, 1920 (Service Archives)
25Â Â Dick White, c . 1939 (Service Archives)
26Â Â Staff relaxing at Wormwood Scrubs, 1940 (Service Archives)
27Â Â Wormwood Scrubs office, November 1939 (Mary Evans Picture Library/Illustrated London News)
28Â Â Vernon Kell at Wormwood Scrubs, 1940