For twenty years Josie Washburn lived and worked in houses of prostitution. She spent the last twelve as the madam of a moderately fancy brothel in Lincoln, Nebraska. After retiring in 1907 and moving to Omaha, she turned to "throwing a searchlight on the underworld," including the "cribs" of Nebraska's largest city. The Underworld Sewer, based on her own experience in the profession, blazes with a kind of honesty unavailable to more conventional...