“Traditionally confined to works of nonfiction, the bibliography has lately been creeping into novels, rankling critics who call it a pretentious extension of the acknowledgments page, which began appearing more than a decade ago and was roundly derided as the tacky literary equivalent of the Oscar speech. Purists contend that novelists have always done research, particularly in books like ‘Madame Bovary’ that were inspired by real-life events, yet never felt a bibliography was necessary.”