Long the dominant religion of the West, Christianity is now rapidly becoming the principal faith in much of the postcolonial world--a development that marks a momentous shift in the religion's very center of gravity. In this eye-opening book, Lamin Sanneh examines the roots of this "post-Western awakening" and the unparalleled richness and diversity, as well as the tension and conflict, it has brought to World Christianity.

Tracing Christianity's rise from its birth on the edge of the Roman empire--when it proclaimed itself to be a religion for the entire world, not just for one people,...