David Mislin provides a much-needed, and long overdue, study of the life and thought of Washington Gladden. A critical figure in the emergence of theological liberalism and a pioneer in the development of the social gospel movement, Gladden's story has too often been overlooked by scholars. In an engaging book, Mislin fleshes out the evolution of Gladden's thought, while discussing the numerous contours of his extensive career as a minister, journalist, theologian, and reformer. Mislin not only demonstrates Gladden's impact upon his era, but suggests how Gladden laid a foundation for today's Religious Left. Anyone interested in U.S. religious history, history of American Protestantism, or religion and social reform will enjoy reading this important book.