A sardonic reflection on the idealisms and absurdities of intellectual youth. The Conspiracy is the last and most acclaimed novel by French writer and activist Paul Nizan, who died two years after its publication fighting the Germans at the Battle of Dunkirk. Hailed by Jean-Paul Sartre as Nizan’s masterpiece, the book centers upon the figure of Bertrand Rosenthal, a misguided philosophy student studying in pre-war Paris. Eager to foment a revolution and having little grasp of his own motives,...