2024 (expected). Exploring Violent Misogyny: Incels, Trad Wives, MGTOW, and Other Extremist Misogynist Communities (working title). New York, NY: Columbia University Press. (with Natalie Anastasio)

 

2020. America’s Zealots: Inside Right-Wing Domestic Terrorism. New York, NY: Columbia University Press.

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2020. The Irrational Terrorist and Other Persistent Terrorism Myths. Boulder, CO: Lynne Rienner Publishers (with Darren Hudson, Riley Post and Zachary Hoffman).

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2016. From Cradle to Grave: The Lifecycle of Foreign Fighters in Iraq and Syria. West Point, NY: Combating Terrorism Center (with Daniel Milton)

 

2015. Explaining the Causes and Impact of Political Assassinations. West Point, NY: Combating Terrorism Center.

 

2013. Challengers from the Sidelines, Understanding the American Violent Far Right. West Point, NY: Combating Terrorism Center.

 

2009. Jewish Terrorism in Israel. New York: Columbia University Press (with Ami Pedahzur).

 

2008. Political Parties and Terrorist Groups. London and New York: Routledge (Second Edition, with Leonard Weinberg and Ami Pedahzur).

 

2005. Middle Eastern Terrorism. Philadelphia: Chelsea House Publications.

 

2005. Countering Terrorism in Urban Environment - The Case of Jerusalem. Jerusalem: Jerusalem Institute (with Gadi Pahran and Ami Pedahzur).