Written for students and professionals in the fields of Criminal Justice, Homeland Security, National Security, and Intelligence, this textbook presents a critical examination of the topic of terrorism. It covers its historical roots and proceeds through events in history to present-day tactics and threats posed by transnational criminal organizations, sponsored terrorism, domestic terrorism, and the rise of nation-less terrorist movements. Topics covered include CBRNE weapons of mass destruction, suicide bombings, cyber terrorism, terrorist motivation, and the clash of ideologies. An Instructor's Guide, test questions, and PowerPoint slides are available, upon qualified course adoption.