This text offers a multidisciplinary, comprehensive exploration of contemporary terrorism that helps readers develop the knowledge and skills they need to critically assess terrorism in general and terrorist incidents. This edition presents new and updated theories, cases, and incidents, as well as new photographs, updated tables, and enhanced graphics. Gus Martin presents new and updated information in every chapter, enriching the Fifth Edition with expanded coverage of topics such as cyberterrorism, terrorists use of social media, and new surveillance activities make this edition.