Security Policy Has Changed Dramatically Since The End Of The Cold War. It Can No Longer Be Thought Of In Terms Of Securing One Country Against The Military Attack Of Another. Security Is Now A Global Concept That Crosses Traditional State Boundaries And Faces Risks Of Many Shapes And Sizes. This Handbook Brings Together 28 State - Of - The - Art Essays Covering The Essential Aspects Of Global Security Research And Practice For The 21St Century. Edited By Two Of The Fields Leading Scholars, This Volume Embraces A Broad New Definition Of Security, And Examines The Risks And Challenges Posed By New Forms Of Violence And Insecurity. The Coverage, Which Is Organized Around Key Concepts, Risks, Policy Tools, And Global Security Actors, Is Comprehensive Yet Accessible. The Editors Have Brought Together Leaders In Security Scholarship And Practice From Around The World To Discuss The Most Pressing Contemporary Issues, Including Terrorism, Disarmament, Genocide, Civilian Protection, Diplomacy And Mediation, International Peacekeeping, State - Building, Transnational Crime, Water Security, And Transitional Justice. Insightful And Indispensable, These Essays Will Appeal To A Broad Base Of Scholars, Students, Practitioners, And Policymakers Who Are Addressing The Key Global Security Challenges Of The Future