Winterbotham, F. W.  1897-1990, <br/><br/>
The Ultra secret / 
F.W. Winterbotham. 
 - xiii, 199 pages ;  23 cm 
<br/><br/> Includes index. 
<br/><br/>Science to the rescue: the birth of Ultra -- The plan -- The Battle of France -- Interlude -- The Battle of Britain -- Operation Sea Lion -- The African campaign -- Alamein -- Naval affairs and briefing the Americans -- 'Torch' -- 'Husky' -- 'Avalanche' -- Preparation for 'Overlord' -- The Battle of Normandy -- Hitler's miracles -- The beginning of the end -- Arnhem -- The Japanese war -- Hitler's Ardennes offensive -- G�otterdammerung. 
<br/><br/><label>ISBN: </label>0297768328 9780297768326 
<br/><br/><label>LCCN: </label>77372493  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>003954113  Uk 
<br/><br/><label>Subjects--Personal Names: </label><br/>Winterbotham, F. W. 1897-1990. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War, 1939-1945--Cryptography.<br/>World War, 1939-1945--Secret service--Great Britain.<br/>World War, 1939-1945--Personal narratives, British.<br/>Secret service
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Personal narratives--British
<br/><br/><label>LC Class. No.: </label>D810.C88  / W74