"The Unpossessed" by Tess Slesinger is a novel set in the 1930s that delves into the lives of left-wing intellectuals in New York City. The story revolves around a group of characters who are involved in literary and political circles, grappling with their ideals, relationships, and personal failures. The novel is known for its sharp wit, dark humor, and incisive critique of the pretensions and hypocrisies of its characters.