The last century has seen the revolutionary remaking of Christianity into a truly world religion. How did it happen? What triggered the emergence of this new global faith no longer dominated by the West, full of new and vital forms of devotion? Mark Shaw's provocative thesis is that far-flung revivals are at the heart of the global resurgence of Christianity. These were not the quirky folk rituals associated with rural America and nineteenth-century camp meetings that belong more to an age of plows and prairies than of postmodernity and globalization. Rather they were like forces of nature,...