In its day, spiritualism brought hundreds of thousands of Americans to seance tables and trance lectures. It has alternately been ridiculed as the apogee of fatuous credulity and hailed as a feminist movement. Its tricks have been exposed, its charlatans unmasked, and its heroes' names lost to posterity. In its day, however, its leaders were household names and politicians worried about capturing the Spiritualist vote. Cathy Gutierrez places Spiritualism in the context of the 19th-century American Renaissance. Although this epithet usually signifies the sudden blossoming of American letters,...