"The Reader of Gentlemen's Mail", by David Kahn

[Bill Stewart]

My wife was channel-surfing and ran across David Kahn talking about his 
recent book
"The Reader of Gentlemen's Mail: Herbert O. Yardley and the Birth of 
American Codebreaking".

ISBN 0300098464 , Yale University Press, March 2004

Amazon's page has a couple of good detailed reviews
http://www.amazon.com/exec/obidos/ASIN/0300098464/qid=1105254301/sr=2-1/ref=pd_ka_b_2_1/102-1630364-0272149



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Bill Stewart  bill.stewart at pobox.com