The Syrian Jihad: Al-Qaeda, the Islamic State and the Evolution of an Insurgency

The Complete Infidel's Guide to ISIS

The New Islamic State: Ideology, Religion and Violent Extremism in the 21st Century

Al Qaeda, the Islamic State, and the Global Jihadist Movement: What Everyone Needs to Know®

The Islamic State: A Brief Introduction

ISIS Exposed: Beheadings, Slavery, and the Hellish Reality of Radical Islam

ISIS: The State of Terror

The Terror Years: From al-Qaeda to the Islamic State

Anatomy of Terror: From the Death of bin Laden to the Rise of the Islamic State

The Chapo Guide to Revolution: A Manifesto Against Logic, Facts, and Reason

Extremism

Rules for Radicals: A Pragmatic Primer for Realistic Radicals

ISIS: Inside the Army of Terror (Updated Edition)

Combat and Other Shenanigans: A Humorous Memoir from the Iraq War

The History of Jihad: From Muhammad to ISIS

Them: Adventures with Extremists

While Europe Slept: How Radical Islam is Destroying the West from Within

The ISIS Solution: How Unconventional Thinking and Special Operations Can Eliminate Radical Islam

Heroes Among Us: Firsthand Accounts of Combat From America's Most Decorated Warriors in Iraq and Afghanistan

My Life with the Taliban