A great work of ancient Greek theatre, The Oresteia trilogy tells the story of Agamemnon and his family (Clytemnestra, Iphigenia and Orestes), who are dysfunctional to epic proportions. These are tales of murder, betrayal and vengeance, translated by Richard Lattimore. A volume in The Complete Greek Tradegies published by the University of Chicago.  (GRE111, $13.00)