Le Sang noir (literally "The Black Blood"; published in English under the titles Bitter Victory and Blood Dark) is a 1935 novel by Louis Guilloux that has been described as a "prefiguration of Sartre's La Nausée", because of its concentration on the psychological alienation of an individual.
Le Sang Noir was based in Guilloux's memories of his philosophy tutor, Georges Palante, an anarchist thinker who eventually killed himself in 1925. It is notable for its departure from the author's earlier, more straightforwardly socialist literature, since it contains elements of what was later associated with an existentialist or absurdist vision.
One day in 1917 an aging philosophy tutor, nicknamed Cripure, feels unable to give advice to a student who is departing for the front in World War I. Amidst the horror of the war, he feels increasing disgust at life. He remembers how, years ago, he lost his wife. He is now living alone, supported only by Maia, his lazy