Hanging Captain Gordon: The Life and Trial of an American Slave Trader. New York: Atria, 2006 hardcover, 2007 paperback

The Slave Next Door: Human Trafficking and Slavery in America Today. Berkeley: University of California, 2009 (co-authored with Kevin Bales)


Quests for Freedom: Biblical � Historical � Contemporary Ed., Prof. Michael Welker. Gottingen: Hubert & Co., 2015

Disunion: Modern Historians Revisit and Reconsider the Civil War Ed., Tod Widmer. New York: Black Dog and Leventhal Publishers, Inc., 2013, The New York Times

The 100 Greatest Western Movies of All Time Editors of American Cowboy Magazine. Guilford, CT: Twodot, 2011

Lincoln, the Law, and Presidential Leadership ed., Charles M. Hubbard. Carbondale, IL: Southern Illinois University Press, 2015