“Do not destroy me before my time!” cries Iphigenia, the daughter of King Agamemnon, as she is dragged to an altar to be sacrificed by the priest Calchas (right)—in this first-century A.D. painting from Pompeii. In some versions of the myth, Iphigenia is indeed sacrificed; in two plays by the fifth-century B.C. Greek tragedian Euripides, however, she is saved at the last minute to serve as a priestess. Authors Theodore H. Feder and Hershel Shanks (“Iphigenia and Isaac: Saved at the Altar”), compare this story with the biblical account of Abraham’s binding and near-sacrifice of Isaac.