Ernst Troeltsch, a luminary of German liberal thought, sparked a crucial conversation with his seminal essay "The Place of Christianity Among the World Religions" in the early 19th century. Today, the question of Christianity's relationship to other faiths remains equally pressing, if not more so. Veli-Matti Kärkkäinen tackles this enduring conundrum by first examining the biblical perspective, then delving into the diverse responses of prominent church teachers throughout history. His sweeping survey encompasses the works of Justin Martyr, Irenaeus, Clement of Alexandria, Augustine, Luther, Calvin, and a broad range of influential Protestant and Catholic thinkers. Kärkkäinen also astutely analyzes the radical challenges posed by the Enlightenment and classical liberalism, as well as the emergence of the fulfillment theory of religions. The bulk of his work presents a meticulous and comprehensive overview of major confessional movements and contemporary theologians' opinions. With concise and incisive descriptions, Kärkkäinen navigates the complex landscape of theologians, including Karl Barth, Hendrik Kraemer, Paul Althaus, Karl Rahner, Hans Küng, Jacques Dupuis, Gavin D'Costa, Paul Tillich, Wolfhart Pannenberg, Lesslie Newbigin, M. M. Thomas, Sir Norman Anderson, Clark Pinnock, Amos Yong, John Hick, Stanley Samartha, Raimundo Panikkar, Paul Knitter, Millard Erickson, Harold Netland, and Vinoth Ramachandra. An Introduction to the Theology of Religions is an indispensable guide for anyone seeking to understand and navigate the vast array of perspectives on Christianity's relationship to other religions – a work of remarkable erudition, clarity, and insight.