(2012) Book: "Backcountry: A Novel". North Charleston, SC: CreateSpace. ISBN 13:9781480119505
(1990) Book: "On Being Mad or Merely Angry: John W. Hinckley, Jr. And Other Dangerous People". Princeton, NJ: Princeton University Press. ISBN 0691078521
(2007) Book: "Defining Danger: American Assassins and the New Domestic Terrorists". New Brunswick, NJ: Transaction Publishers. ISBN 0765803410
(1988) Book: "Last Rampage: The Escape of Gary Tison". Boston, MA: Houghton Mifflin Co. ISBN 0395467217
(1998) Book: "The Lineaments of Wrath: Race, Violent Crime, and American Culture". New Brunswick, NJ: Transaction Publishers. ISBN 0560003588
(1982) Book: "American Assassins: The Darker Side of Politics". Princeton, NJ: Princeton University Press. ISBN 0691076375AACR2