Oracles—both ancient and modern—are beguiling. Perhaps you'd like to learn more about the science behind The Oracle or about some of the ancient coins mentioned in the novel. Maybe you just want to contemplate the splendor that was the Oracle of Delphi. Below is an 1894 reconstruction by Albert Tournaire of the Apollo sanctuary at its apogee, when pilgrims came from all over the Greek world and beyond to seek the counsel of the god at his oracle.