Enigma book cover

Enigma

Pages: 374
|
Published: 11 Sep 1995
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Description

A member of a top-secret team of British cryptographers, Tom Jericho succeeds in cracking "Shark," the impenetrable operational cipher used by Nazi U-boats, but when the Germans change the code, Jericho must break the new code before the traitor among his group can stop him.

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