International experts examine the nature of contemporary terrorism and its consequences. The authors discuss the internationalization of terrorism; its costs, causes, and networks; the global response; and implications for law, democracy, religion, the media, and international cooperation. Contributors include Yonah Alexander (Potomac Institute for Policy Studies), Daniel Benjamin (CSIS), Monique Canto-Sperber (Ecole Normale Superieur), Gareth Evans (International Crisis Group), Richard Falkenrath (Brookings Institution), Farhad Khosrokhavar (Ecole des Hautes Etudes en Sciences Sociales), Brigitte Nacos (Columbia University), Christine Ockrent (columnist), Stefan Oeter (University of Hamburg), Daniel Sibony (writer), Florence Taubmann (pastor), and Paul Wilkenson (Center for the Study of Terrorism and Political Violence, University of St.Andrews).