In An Oresteia, the classicist Anne Carson combines three different versions of the tragedy of the house of Atreus — Aiskhylos’ Agamemnon, Sophokles’ Elektra and Euripides’ Orestes. After the murder of her daughter Iphigeneia by her husband, Agamemnon, Klytaimestra exacts a mother’s revenge, murdering Agamemnon and his mistress, Kassandra. Displeased with Klytaimestra’s actions, Apollo calls on her son, Orestes, to avenge his father’s death with the help of his sister Elektra. In the end, Oreste...