Understanding Homeland Security 4th edition by Martin

Understanding Homeland Security, 4th Edition by Martin from Sage offers a clear, current introduction to the policies, agencies, threats, and debates that shape U.S. homeland security. Written for courses in criminal justice, political science, public administration, and security studies, the text connects historical context with contemporary issues such as terrorism, emergency management, intelligence, border security, cybersecurity, civil liberties, and intergovernmental coordination. Case examples and accessible explanations help students evaluate how preparedness, prevention, response, and recovery strategies are developed and assessed in a complex security environment.