Everything you need to understand or teach A Bad Man by Stanley Elkin.
In addition to its disturbing inquiries into the possibility of justice in the American penal system, A Bad Man treats the fundamental Elkin themes of obsession and commercial ventures.
Feldman inherits obsessive vending skills from his lunatic father, an itinerant peddler who challenged Leo to sell the "unsalable thing." His career is one of re-defining the limits of what can be done with merchandising. As his enterprises succeed, he ventures further and further...