The following publications project homeland security challenges facing the United States and world community in the present and in the near future.

Heiberg, Marianne, Prendan O’Leary, and John Tirman, eds. 2007. Terror, Insurgency, and the State: Ending Protracted Conflicts. Philadelphia: University of Pennsylvania Press.

Holmes, Jennifer S. 2008. Terrorism and Democratic Stability Revisited. Manchester, UK: Manchester University Press.