L'Assommoir [lasɔmwaʁ] (1877) is the seventh novel in Émile Zola's twenty-volume series Les Rougon-Macquart. Usually considered one of Zola's masterpieces, the novel—a study of alcoholism and poverty in the working-class districts of Paris—was a huge commercial success and helped establish Zola's fame and reputation throughout France and the world.