Although seen widely as the twentieth-century''s great religious war, as a conflict between the god-fearing and the godless, the religious dimension of the Cold War has never been subjected to a scholarly critique. This unique study shows why religion is a key Cold War variable. A specially commissioned collection of new scholarship, it provides fresh insights into the complex nature of the Cold War. It has profound resonance today with the resurgence of religion as a political force in global society.