"Elmer Gantry" is a novel written by Sinclair Lewis, published in 1927. It tells the story of Elmer Gantry, a charismatic but morally ambiguous man who becomes a successful preacher. The narrative explores themes of religion, hypocrisy, and the American Dream, highlighting the complexities of faith and the influence of charismatic leaders. The book critiques the intersection of religion and commerce in American society. Gantry's rise to prominence reveals the often exploitative nature of religious revivalism, as he manipulates the beliefs of others for personal gain. The novel remains a significant commentary on the role of religion in American culture.