Religion' is sometimes said to be the root of international conflict; and sometimes a resource for peacemaking. To some, 'religion' underlies human rights abuses; to others, it is the foundation of universal respect and love. But what, actually, is it? Do all these explanations refer to the same thing, or does 'religion' mean different things in different contexts? As Erin K. Wilson demonstrates, such questions have real-world, sometimes even life-and-death, implications. With her trademark clarity, Wilson spells out the policy, legal and international relations implications of how we understand religion, and why it matters".