A "San Francisco Chronicle" and NPR Best Book of the Year The author of the acclaimed memoir "The Suicide Index" returns with a virtuosic collection of stories, each a stirring parable of the power of love and the impossibility of understanding it. Spanning centuries and continents, from eighteenth-century Vienna to contemporary America, Joan Wickersham shows, with uncanny exactitude, how we never really know what's in someone else's heart--or in our own.