Christianity is the world's largest religious grouping. It has undergone massive change in the twentieth century, and seems poised to undergo major transformations in the next. In this important and timely book, one of Christianity's most prolific and respected writers examines these changes, and their implications for the future.

Alister E. McGrath is Professor of Historical Theology, University of Oxford, and Principal of Wycliffe Hall, Oxford. Among his many Blackwell textbooks are Christian Theology: An Introduction (third edition), The Christian Theology Reader (second edition), An Introduction to Christianity, Historical Theology, and Reformation Thought (third edition).