Seizing the Enigma: The Race to Break the German U-Boats Codes, 1939-1943 cover
Seizing the Enigma: The Race to Break the German U-Boats Codes, 1939-1943
by David Kahn
ISBN: 0395427398
Buy on Amazon
Found in 1 comment on Hacker News
gshubert17 · 2016-01-07 · Original thread
"The Codebreakers" cited above, is a massive history of cryptography. The same author, David Kahn, has written a book focusing on the Enigma called "Seizing the Enigma".

http://www.amazon.com/Seizing-Enigma-German-U-Boats-1939-194...