"A Set of Six" is a collection of six works of short fiction by Joseph Conrad, each appearing in literary journals between 1906 and 1908. Stories included in the collection are: "Gaspar Ruiz" (Pall Mall Magazine, July–October 1906), "The Brute" (Daily Chronicle, December 5, 1906), "An Anarchist" (Harper's Magazine, August 1906), "The Informer" (Harper's Magazine, December 1906), "Il Conde" (Cassell's Magazine August 1908), "The Duel" (The Pall Mall Magazine, January–May 1908).