Pericles (1608), one of Shakespeare’s and co-author George Wilkins’s romances, dramatizes the tumultuous life of Pericles, the Prince of Tyre. Over five acts, it stages his acquisition of love, its tragic loss, and its ultimate rediscovery. Strikingly, the play opens with incest—Antiochus, the king of Antioch, instructs Pericles to solve a riddle whose answer reveals that his daughter is “an...