The novella “The Ball at Sceaux” is part of Balzac’s great life work — the expansive fiction series titled “The Human Comedy.” The central character is Émilie de Fontaine, youngest daughter of a noble but impoverished family in post-revolutionary France. Her hapless father hopes to find her a good marriage, but Émilie, spoiled and willful, has repeatedly turned away suitors. She has a list of requirements for any prospective husband, one of which is that he must, of course, be “the son of ...