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Jak P. Mallmann Showell
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Enigma U-Boats: Breaking the Code Hardcover – July 28, 2000

4.7 4.7 out of 5 stars 12 ratings
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After World War I, the German admirals were shocked to discover that the Royal Navy had had an immense advantage--they had penetrated the secret German radio codes. Confronted with this fact, the Germans determined that any future codes would need to be so complex that breaking them would, theoretically, be impossible. The result was the famous Enigma machine, whose settings were altered so frequently and variables so great that the Germans believed capture of a machine by the enemy would not compromise Enigma for long. But the British proved them wrong. They managed to obtain the machine and determine the method of setting the code, giving the Allies a critical tactical advantage. As the author points out, this intelligence triumph was particularly important during the Battle of the Atlantic, when Hitler's U-boat wolf-packs were wreaking havoc on the convoy lifelines to the British Isles. Without the decoded Enigma messages, the Allies' narrow victory would likely have turned to defeat. This skillful analysis of Enigma's development and its role during U-boat operations includes details of Allied boardings of U-boats from which Enigma machines could have been captured. It is one of the greatest espionage stories in the history of naval warfare.

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Previous page
  1. Print length
    192 pages
  2. Language
    English
  3. Publisher
    Naval Institute Press
  4. Publication date
    July 28, 2000
  5. Dimensions
    8.25 x 0.75 x 10 inches
  6. ISBN-10
    1557502021
  7. ISBN-13
    978-1557502025
  8. See all details
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About the Author

Jak Mallman-Showell, the son of a U-boat crewman killed in action, is an author and historian.

Product details

  • Publisher ‏ : ‎ Naval Institute Press; 1st American Edition (July 28, 2000)
  • Language ‏ : ‎ English
  • Hardcover ‏ : ‎ 192 pages
  • ISBN-10 ‏ : ‎ 1557502021
  • ISBN-13 ‏ : ‎ 978-1557502025
  • Item Weight ‏ : ‎ 2 pounds
  • Dimensions ‏ : ‎ 8.25 x 0.75 x 10 inches
  • Customer Reviews:
    4.7 4.7 out of 5 stars 12 ratings

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Jak P. Mallmann Showell

Jak P. Mallmann Showell

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
12 global ratings

Top reviews from the United States

Kindle Customer
5.0 out of 5 stars A gripping and informative account of Enigma v the U Boat menace
Reviewed in the United States on September 6, 2012
Verified Purchase
There are many books about Enigma and Bletchley Park with many wide references to the U- Boat war. However the book under review concentrates on the detailed effect of what 'breaking the code' meant to the overall final failure of the U-Boat campaign and the
frustration for the individual U-Boat skippers and their crews. With advantage of hindsight it is incredible that the Germans believed their Enigma code was unbreakable
when they had been reading the Royal Navy's codes for years! Highly recommended to anyone with an interest in the subject
5 people found this helpful
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Charles Mattingly
5.0 out of 5 stars German submariners vs the American & British code breakers.
Reviewed in the United States on April 3, 2013
Verified Purchase
Book contains pictures of the German enigma machines & the American & British attempts to decode the enigma
machine. Has many pictures of the German sub-marine crewmen and the conditions they served under.
One person found this helpful
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bob
4.0 out of 5 stars nice book on u boat history
Reviewed in the United States on June 6, 2011
Verified Purchase
does not go in depth into the enigma machine; but has very detailed accounts of battles and captures of u boats
One person found this helpful
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Top reviews from other countries

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FRANCIS
5.0 out of 5 stars tres bon livre
Reviewed in Canada on December 22, 2020
Verified Purchase
belle photo livre facile a lire
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Kevin
5.0 out of 5 stars Well worth the read
Reviewed in the United Kingdom on April 11, 2016
Verified Purchase
Jak Showell has shown his expertise regarding U Boat operations once again with this interesting paperback. I have a number of his books, and together they provide a unique source of technical information and factual events of the U Boat arm. Like other reviewers, I couldn't put this book down. The operational reasons for events happening are fully described by the author and the circumstances in which encryption devices were obtained from U Boats by the Allies is fascinating. This is a 5 Star book for anyone interested in German U Boat operations in WW2.
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Nemo
3.0 out of 5 stars Informative
Reviewed in France on July 3, 2013
Verified Purchase
Interesting account of important but often forgotten episodes of WW2. Breaking the Enigma crypting system very probably shortened the war by a full year. I wish there had been an additional chapter on the Enigma machine proper, but it is trrue that one can find relevant information on the web very easily.
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Mr. J. C. Kent
5.0 out of 5 stars Good
Reviewed in the United Kingdom on January 29, 2014
Verified Purchase
Very good read and combine this with Mr Mallman's "U-Boats under the Swastika" and you have a real picture of life in the U-Boat fleet.
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Elvis Presley
5.0 out of 5 stars Sinister but fascinating
Reviewed in the United Kingdom on March 20, 2013
Verified Purchase
Brilliant book, thoroughly researched and easy to read. A lot of previously unknown facts as far as i am concerned
2 people found this helpful
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