In this great interview from New Books in National Security, Omar Ashour, author of How ISIS Fights: Military Tactics in Iraq, Syria, Libya and Egypt, talks to host Jeffrey Bristol about his work.
They discuss the origin of Ashour’s study and how ISIS franchises spread. The interview also explores the potential threats of ISIS as an international terrorist organisation and why it grew as quickly as it did. They also look ahead to what the future might hold for ISIS.
Find out more about the interview over on New Books Network, or listen below:

Paddy Walker, "War Without Oversight: Why We Need Humans on the Battlefield" (Howgate, 2025) – New Books in National Security
- Paddy Walker, "War Without Oversight: Why We Need Humans on the Battlefield" (Howgate, 2025)
- Atiya Husain, "No God But Man: On Race, Knowledge, and Terrorism" (Duke UP, 2025)
- Peder Anker, "For The Love of Bombs: The Trail of Nuclear Suffering" (Anthem Press, 2025)
- Rhys Machold, "Fabricating Homeland Security: Police Entanglements Across India and Palestine/Israel" (Stanford UP, 2024)
- Andrew Long, "BRIXMIS and the Secret Cold War: Intelligence Collecting Operations Behind Enemy Lines in East Germany" (Pen and Sword, 2024)
About the Author

Omar Ashour is an Associate Professor of Security and Military Studies and the Founding Chair of the Critical Security Studies Programme at the Doha Institute for Graduate Studies. He is the author of How ISIS Fights: Military Tactics in Iraq, Syria, Libya and Egypt (Edinburgh University Press, 2021) as well as the editor of Bullets to Ballots: Collective De-Radicalisation of Armed Movements (Edinburgh University Press, 2021).