Martha Crenshaw is a Senior Fellow at the Center for International Security and Cooperation (CISAC) and the Freeman Spogli Institute for International Studies, and Professor of Political Science, by courtesy, at Stanford University. She is also Professor of Government Emerita at Wesleyan University. She is a lead investigator with the National Consortium for the Study of Terrorism and Responses to Terrorism (START) at the University of Maryland.

• Introduction: Definitions, Approaches, Trajectories, and Responses Part 1: What and Why? 1. The Concept of Terrorism 2. The Causes of Terrorism 3. "Old" vs. "New" Terrorism Part 2: Explaining Terrorism: Organizations, Strategies, and Psychology 4. The Organizational Approach 5. Subjective Realities 6. The Logic of Terrorism 7. Psychological Constraints on Instrumental Reasoning Part 3: Responding to Terrorism 8. Coercive Diplomacy 9. Strategies and Grand Strategies 10. Counterterrorism Policy and the Political Process Part 4: How Terrorism Ends 11. How Terrorism Declines 12. Why Terrorism is Rejected or Renounced

'The leading global thinker on the study of terrorism, Martha Crenshaw has for thirty years produced the most creative, rigorous and important contributions our field has known. And now these can all be found in one place. This book is simply the one indispensable text that every student, scholar and researcher of terrorism and political violence must have. Literally the best of the best.' - John Horgan, Pennsylvania State University‘Explaining terrorism requires an interdisciplinary approach able to address contextual causes, organizational dynamics and individual motifs. This combination of different levels of the analysis has been at the core of Martha Crenshaw's influential contributions to the field of terrorism study, the best of which are now collected in this precious volume.’ - Donatella della Porta, European University Institute, Florence'When it comes to the study of terrorism from a genuine social science perspective, professor Martha Crenshaw is the scholar of reference and became so long before the field gained academic centrality worldwide after 9/11.' - Fernando Reinares, Universidad Rey Juan Carlos, Madrid

Martha Crenshaw is a Senior Fellow at the Center for International Security and Cooperation (CISAC) and the Freeman Spogli Institute for International Studies, and Professor of Political Science, by courtesy, at Stanford University. She is also Professor of Government Emerita at Wesleyan University. She is a lead investigator with the National Consortium for the Study of Terrorism and Responses to Terrorism (START) at the University of Maryland.

• Introduction: Definitions, Approaches, Trajectories, and Responses Part 1: What and Why? 1. The Concept of Terrorism 2. The Causes of Terrorism 3. "Old" vs. "New" Terrorism Part 2: Explaining Terrorism: Organizations, Strategies, and Psychology 4. The Organizational Approach 5. Subjective Realities 6. The Logic of Terrorism 7. Psychological Constraints on Instrumental Reasoning Part 3: Responding to Terrorism 8. Coercive Diplomacy 9. Strategies and Grand Strategies 10. Counterterrorism Policy and the Political Process Part 4: How Terrorism Ends 11. How Terrorism Declines 12. Why Terrorism is Rejected or Renounced

'The leading global thinker on the study of terrorism, Martha Crenshaw has for thirty years produced the most creative, rigorous and important contributions our field has known. And now these can all be found in one place. This book is simply the one indispensable text that every student, scholar and researcher of terrorism and political violence must have. Literally the best of the best.' - John Horgan, Pennsylvania State University‘Explaining terrorism requires an interdisciplinary approach able to address contextual causes, organizational dynamics and individual motifs. This combination of different levels of the analysis has been at the core of Martha Crenshaw's influential contributions to the field of terrorism study, the best of which are now collected in this precious volume.’ - Donatella della Porta, European University Institute, Florence'When it comes to the study of terrorism from a genuine social science perspective, professor Martha Crenshaw is the scholar of reference and became so long before the field gained academic centrality worldwide after 9/11.' - Fernando Reinares, Universidad Rey Juan Carlos, Madrid

Martha Crenshaw is a Senior Fellow at the Center for International Security and Cooperation (CISAC) and the Freeman Spogli Institute for International Studies, and Professor of Political Science, by courtesy, at Stanford University. She is also Professor of Government Emerita at Wesleyan University. She is a lead investigator with the National Consortium for the Study of Terrorism and Responses to Terrorism (START) at the University of Maryland.

• Introduction: Definitions, Approaches, Trajectories, and Responses Part 1: What and Why? 1. The Concept of Terrorism 2. The Causes of Terrorism 3. "Old" vs. "New" Terrorism Part 2: Explaining Terrorism: Organizations, Strategies, and Psychology 4. The Organizational Approach 5. Subjective Realities 6. The Logic of Terrorism 7. Psychological Constraints on Instrumental Reasoning Part 3: Responding to Terrorism 8. Coercive Diplomacy 9. Strategies and Grand Strategies 10. Counterterrorism Policy and the Political Process Part 4: How Terrorism Ends 11. How Terrorism Declines 12. Why Terrorism is Rejected or Renounced

'The leading global thinker on the study of terrorism, Martha Crenshaw has for thirty years produced the most creative, rigorous and important contributions our field has known. And now these can all be found in one place. This book is simply the one indispensable text that every student, scholar and researcher of terrorism and political violence must have. Literally the best of the best.' - John Horgan, Pennsylvania State University‘Explaining terrorism requires an interdisciplinary approach able to address contextual causes, organizational dynamics and individual motifs. This combination of different levels of the analysis has been at the core of Martha Crenshaw's influential contributions to the field of terrorism study, the best of which are now collected in this precious volume.’ - Donatella della Porta, European University Institute, Florence'When it comes to the study of terrorism from a genuine social science perspective, professor Martha Crenshaw is the scholar of reference and became so long before the field gained academic centrality worldwide after 9/11.' - Fernando Reinares, Universidad Rey Juan Carlos, Madrid