The traditional assumption holds that the territory of money coincides precisely with the political frontiers of each nation state: France has the franc, the United Kingdom has the pound, the United States has the dollar. But the disparity between that simple mental landscape and the actual organization of currency spaces has grown in recent years, as territorial boundaries of individual states limit currency circulation less and less. Many currencies are used outside their "home" country for transactions either between nations or within foreign states. In this book, Benjamin J. Cohen asks what this new geography of money reveals about financial and political power.