The Ultra Secret Book + PRICE WATCH * Amazon pricing is not included in price watch

The Ultra Secret Book

Operation Ultra was designed to intercept and decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham, was the man responsible for the organization, distribution and security of Ultra. This is his personal account of the operation.Read More

from£8.77 | RRP: £6.50
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  • 0297768328
  • 9780297768326
  • F.W. Winterbotham
  • 24 October 1974
  • Weidenfeld and Nicolson
  • Hardcover (Book)
  • 216
  • 1st
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