One part Nietzsche, one part Humbert Humbert, and a soupcon of Milton's Lucifer, Axel Vander, the dizzyingly unreliable narrator of John Banville's masterful new novel, is very old, recently widowed, and the bearer of a fearsome reputation as a literary dandy and bully. A product of the Old World, he is also an escapee from its conflagrations, with the wounds to prove it. And everything about h...