This book is really worth getting if you can find it somewhere for a fair price. It's almost worth it for the appendix alone where Marian Rejewski himself descr

This book is really worth getting if you can find it somewhere for a fair price. It's almost worth it for the appendix alone where Marian Rejewski himself describes how they broke the original Enigma code. http://www.amazon.com/Enigma-German-Machine-Foreign-intelligence/dp/0890935475 http://www.amazon.com/Enigma-German-Machine-Foreign-intellig...