ISBN:

• 9781444795745
• 9781444795721
• 9781444795714

Description: 341 pages, 8 unnumbered pages of plates : illustrations (some colour) ; 24 cm

Notes:

• Publisher, pagination and printing dates may vary.
• Includes bibliographical references and index.

Control Number: 1190428

Subjects:

• Bletchley (Buckinghamshire, England)
• Bletchley Park (Milton Keynes, England) -- History -- 20th century.
• Great Britain. Government Communications Headquarters (1948- )
• World War, 1939-1945 -- Cryptography.
• World War, 1939-1945 -- Electronic intelligence -- Great Britain.
• World War, 1939-1945 -- Personal narratives, English.
• World War, 1939-1945 -- Secret service -- Great Britain.
• World War, 1939-1945 -- Women -- Great Britain.