(2005 and 2014), Divided We Stand: The Strategy and Psychology of Ireland's Dissident Terrorists (2012), and The Future of Terrorism (1999, with Max Taylor). Horgan is editor of the journal Terrorism and Political Violence. He serves on the editorial boards of several journals including Studies in Conflict & Terrorism, Journal of Strategic Security, and Legal and Criminological Psychology. Books Horgan, J. (2014). The Psychology of Terrorism, 2nd Edition. London: Routledge. Horgan, J. (2013). Divided We Stand: The Psychology and Strategy of Ireland's Dissident Terrorists. New York: Oxford University Press. Horgan, J. and Braddock, K. (2011)Terrorism: A Reader. London and New York: Routledge. Horgan, J. (2009). Walking Away from Terrorism: Accounts of Disengagement from Radical and Extremist Movements. London and New York: Routledge. Bjorgo, T. and Horgan, J. (Eds.) (2009). Leaving Terrorism Behind: Individual and Collective Disengagement. London: Routledge. Horgan, J. (2005). Psychology of Terrorism. London: Routledge. Taylor, M. and Horgan, J. (Eds.) (2000). The Future of Terrorism. London: Frank Cass & Co. References 1974 births Living people Irish psychologists Alumni of University College Cork People from Castleisland University of Massachusetts Lowell faculty Georgia State University faculty Pennsylvania State University faculty Academics of the University of St Andrews Forensic psychologists Irish political scientists Political psychologists