This book provides first sustained critical engagement with the legacy of 9/11 attacks twenty years on. Featuring a wide range of established and emerging voices in critical terrorism studies, it explores deeply political character of remembering and forgetting, and the racialised, gendered and other contexts within which this takes place.

Leonie B. Jackson is Senior Lecturer in International Relations at Northumbria University, UK. She is the author of The Monstrous and the Vulnerable: Framing British Jihadi Brides and Islamophobia in Britain: The Making of a Muslim Enemy.

Lee Jarvis is Professor of International Politics at the University of East Anglia, UK. He is (co-) author or editor of fourteen books and over fifty articles or chapters on the politics of security, including Times of Terror: Discourse, Temporality and the War on Terror.

Harmonie Toros is Reader in International Conflict Analysis at the University of Kent, UK, where she researches how humans engage with political violence. She has published and advised governments and international organizations on non-violent alternatives to counter-terrorism.

Introduction: What place for 9/11 in critical terrorism studies? 1. Living in dangerous times 2. Reflection: the "war on terror", Islamophobia and radicalisation twenty years on 3. Ostracisation, inequity, and exclusion: the lasting effects of 9/11 and the war on terror on South Asian diasporas 4. Still just victims or villains? The "jihadi brides" and the representation of politically violent women 5. Preserving sovereignty: crisis and the arc of British proscription pre- and post-9/11 6. 9/11 and the politics of counter-terrorism: writing temporality in(to) counter-terrorism rhetoric and discourse in Nigeria 7. Datawars: reflections twenty years after 9/11 8. Two decades of American global war on terror: temporality and counterterrorism in the Philippines 9. 911+20 and the questions remain the same 10. 9/11 as a policy pivot point in the security community: a dialogue 11. 9/11 and Critical Terrorism Studies - the emotion, culture, and discourse of the "War on Terror" 12. "Let it be remembered or forgotten": a case of terrorism visuality in Brazil 13. From television to the internet: from the reality of terror to reality terrorism 14. Beyond the shadow of 9/11? Videogames 20 years after 9/11 15. A pivotal event narrative in critical terrorism studies: COVID-19 and the threat of terrorism 16. The concept of terrorism and historical time: comparing 9/11 to the Terreur 17. The good, the bad, and the ugly: terrorism as part of European identity 18. Critical junctures in terrorism studies: the Arab Spring and the new twenty-first century security environment 19. Historicising "terrorism": how, and why? 20. Gendered reflections on the "Event" narrative of 9/11 21. World of statues: the "war on terror," memorialisation, and colonial violence 22. Eleven years since the Kampala world cup bombings: what we remember and why 23. Time to Forget 9/11? 24. Race, coloniality and the post 9/11 counter-discourse: Critical Terrorism Studies and the reproduction of the Islam-Terrorism discourse 25. The state of terrorism research in Africa 26. "The past is the past": linear temporality, memory, and empire 27. Time, memory, and critical terrorism studies: 9/11 twenty years on