What is the author's style in The Damnation of Theron Ware by Harold Frederic?

This dramatic tale of a young minister seduced by ideas and infatuated with a beautiful woman presents a vivid portrait of the intellectual forces in late-nineteenth century America that were challenging the traditional verities of religion. Although the novel has not been accorded a place amongst the very highest achievements of American fiction, it has nonetheless attracted enthusiastic readers for more than one hundred years.