Jeffrey Kaplan is an Associate Professor of Religion and the Director of the Institute for the Study of Religion, Violence and Memory at the University of Wisconsin Oshkosh. He is the author of eleven books on terrorism and political violence.
"""This insightful study examines David Rapoport’s thesis of the four waves of the history of modern terrorism to demonstrate how a new insurgent grouping has emerged to constitute a distinct 'fifth wave' of modern terrorism, which the author terms as the ""New Tribalism."" - Joshua Sinai, ‘Terrorism Bookshelf: Top 150 Books on Terrorism and Counterterrorism’, Perspectives on Terrorism, Vol. 6, No. 2 (2012)"