<p>A suburban mother of two fantasizes about the downfall of an old friend whose wholesome lifestyle empire may or may not be built on a lie. A high-powered lawyer honeymooning with her husband is caught off guard by the appearance of the girl who tormented her in high school. A shy Ivy League student learns the truth about a classmate’s seemingly enviable life.</p><p>Curtis Sittenfeld has established a reputation as a sharp chronicler of the modern age who humanizes her subjects even as she ske...