He had previously authored several books on different topics, the most successful being Paris to the Moon, a collection of essays published in 2000.
As of 2009, Fisher has authored over 18 research papers on topics ranging from stock markets to consumer confidence to behavioral finance.
Chaloupka has authored over a hundred articles and several book chapters on topics within this area.
He has authored several books on topics such as nationalism, political terrorism and courage.
Hallowell has authored books on various psychological topics, including problems with attention, focus, stress and worry.
Margolies authored over 55 books on Jewish topics.
Soll has also authored several encyclopedia entries on different topics of philosophy.
He has also authored nearly 40 books on various topics.
He has authored or co-authored about 200 publications on statistical physics, condensed matter theory and other topics.
He authored scores of books on military and defense topics.