This beautifully presented slipcased collector''s edition of the best selling title, The Lost World of Bletchley Park is a comprehensive illustrated history of this remarkable place, from its prewar heyday as a country estate, its wartime requisition and how it became the place where modern computing was invented and the German Enigma code was cracked, to its post-war dereliction and then rescue towards the end of the twentieth century as a museum.Removable memorabilia includes:1938 recruiting memo with a big tick against Turing''s nameChurchill''s ''Action this day'' letter giving code breakers extra resourcesHandwritten Turing memosTop Secret Engima decryptions, about the sinking of the Bismark, German High Command''s assessment of D-Day threat and the message announcing Hitler''s suicideA wealth of everyday items such as authentic theatre posters, a map of Bletchley Park, canteen menus, teleprinter print-outs of codes, the Colossus paper tape spooled through machinesNewly redesigned