Covert Operations and Gray Zone Conflict: The Threat to U.S. National Security

Terrorism Unjustified: The Use and Misuse of Political Violence

Foreign Fighters and International Peace: Joining Global Jihad and Marching Back Home

Principles of Maritime Power

The Illicit Economy in Turkey: How Criminals, Terrorists, and the Syrian Conflict Fuel Underground Markets

How Terror Evolves: The Emergence and Spread of Terrorist Techniques

Fighting the Last War: Confusion, Partisanship, and Alarmism in the Literature on the Radical Right

The Islamist Challenge and Africa

Conflict at the Edge of the African State: The ADF Rebel Group in the Congo-Uganda Borderland

Suppression Of Terrorist Financing: Over-Criminalization Through International Law

Killing for God: An Analysis of Conflict in the Abrahamic Religions

Islamophobia, Race, and Global Politics, Updated Edition

The Roots of Radicalization: Disrupted Attachment Systems and Displacement

The Middle East and American National Security: Forever Wars and Conflicts?

War on Hate: How to Stop Genocide, Fight Terrorism, and Defend Freedom

Targets of Terror: Contemporary Assassination

Terrorist Recruitment and the International System

Evidence-Based Work with Violent Extremists: International Implications of French Terrorist Attacks and Responses

Terrorism Inside America's Borders

Irregular Soldiers and Rebellious States: Small-Scale U.S. Interventions Abroad

Hateland: A Long, Hard Look at America's Extremist Heart

The Armenians of Musa Dagh, 1915–1939: A Story of Insurgency and Flight

Red Pill, Blue Pill: How to Counteract the Conspiracy Theories That Are Killing Us

Exploring the Tripod: Immigration, Security, and Economy in the Post-9/11 United States

Zen Terror in Prewar Japan: Portrait of an Assassin

Debating Immigration in the Age of Terrorism, Polarization, and Trump

The Domestic Politics of Terrorism: Lessons from the Clinton Administration

Terrorist Recruitment of U.S. Gangs: Global Criminal Alliances and Biological Weapons

Betraying Dignity: The Toxic Seduction of Social Media, Shaming, and Radicalization

9/11 Fiction, Empathy, and Otherness