Feldgrau.net

The Rising Sun: The Decline and Fall of the Japanese Empire, 1936-1945 by John Toland is a great book writen from the Japanese perspective: http://www.amazon.com/Rising-Sun-Decline-Japanese-1936-1945/dp/0812968581/ref=sr_1_1?s=books&ie=UTF8&qid=1345303459&sr=1-1&keywords=the+rising+s...

Thanks for the link. Did not realize it was readily available on line. I would highly recommend anyone who is interested in German Cryptanalisis and Crytograhy to check it out, as it is loaded with primary source info all of the German agencies that were involved in coding messages and codebreaking...

http://www.nsa.gov/public_info/declass/ ... gint.shtml

This is my blog ,if you're interested in ww2 intelligence plus some general statistics on the war take a look.
http://chris-intel-corner.blogspot.com/