From the late 1860s until her death in 1910, Rebecca Harding Davis was one of the best-known writers in America. She broke into print as a young woman in the 1860s with Life in the Iron Mills, which established her as one of the pioneers of American realism. She developed a literary theory of the commonplace nearly two decades before William Dean Howels shaped his own version of the concept. Yet, in spite of her importance to the literary and popular...