David Kahn is a historian who writes on military codebreaking. He earned a D.Phil in modern German history from Oxford University in 1974 under the supervision of the then-Regius professor of modern history, Hugh Trevor-Roper. Librarian Note: There is more than one author in the GoodReads database with this name. See this thread for more information.

2004

How to Defend Yourself Against the 12 Most Common Unarmed Street Attacks
2016

The Next Level of Fitness and Self-Defense
2007

Leadership Lessons from Superheroes
2015

German Military Intelligence in World War II
1978

1984

1991

The Contact Combat System of the Israeli Martial Arts
2016

The Contact Combat System of the Israel Defense Forces
2012

Eminent Historians Imagine What Might Have Been
2000

The Comprehensive History of Secret Communication from Ancient Times to the Internet
1967

An Essential Guide to the Renowned Method--for Fitness and Self-Defense
2004

Our Army at War, Vol. 1
2010