Introduction, by Christofer Edling and Amir Rostami

Chapter 1: Cultural and Agentic Features of Danish Salafi-Jihadist Foreign Fighters, by Kathrine Elmose Jørgensen

Chapter 2: Women in Violent Far-Left Extremism in Sweden: Positions and Roles, by Hernan Mondani

Chapter 3: The Ecology of an Estonian Right-Wing Milieu: Entry and Exit of Two Extremists, by Heidi Maiberg

Chapter 4: Who's Afraid of Terrorism and Extremism?: Divisive Worries and Securitarian Concerns in Swedish Public Opinion and Parliamentary Action 1986-2020, by Daniel Brodén, Mats Fridlund, Patrik Öhberg, Victor Wåhlstrand Skärström, and Magnus P. Ängsal

Chapter 5: Street-Level Counter-Extremism: Opposition to Violent Jihadism in Criminal Milieus, by Sébastien Tutenges and Sveinung Sandberg

Chapter 6: Selling Far-Right Extremism: New Forms of Far-Right Merchandise and Online Consumer Subcultures in Sweden, by Tina Askanius and Sofia Ulver

Chapter 7: Masculinity Norms and Female Ideals: The Role of Gender in Online Islamist Propaganda, by Sara Jul Jacobsen

Chapter 8: "Replacement," Threat Perceptions, and Group-Based Relative Deprivation: Social Psychological Underpinnings of Right-Wing Extremism in Scandinavia and the West, by Joanna Lindström and Milan Obaidi

Chapter 9: The Becoming of a Violent Left-Wing Extremist, by Tina Wilchen Christensen

Chapter 10: Preventive Social Work and Collective Transformative Agency: Preventing Riots in the Wake of Rasmus Paludan's Burning of the Quran, by Line Lerche Mørck and Wael Adnan Aiche

Chapter 11: The Strengths and Weaknesses of the Nordic Countries' Counter-terrorism Strategies, by Susanna Bellander and Johanna Sundqvist

Chapter 12: Conflicting Expectations and Professional Tension in Multi-Agency Prevention Work: Findings from Research on Social Work in Norway, by Håvard Haugstvedt

Chapter 13: What Has the Law Got to Do with It? Information Sharing in the Nordic Countries, by Robin Andersson Malmros