Yawar Fiesta describes the social relations between Indians, mestizos, and whites in the Peruvian highland town of Puquio in the early twentieth century. Each group's reaction to the national government's attempt to suppress the traditional Indian-style bullfight reflects their attitude toward social change more generally. Included with the text of the novel is Arguedas' anthropological essay "Puquio: A Culture in the Process of Change," written eighteen years after Yawar Fiesta. The article emphasizes the social changes in the village that resulted from the road construction described in the novel.