A Theology For The Social Gospel (1917) - Hardcoverby Walter Rauschenbusch (Author) ""A Theology for the Social Gospel"" is a book written by Walter Rauschenbusch, a Baptist minister and theologian, in 1917. The book is considered one of the most influential works of the Social Gospel movement in the United States. The central argument of the book is that Christianity should not only focus on individual salvation but should also work towards social justice and the transformation of society.