Stephen Dixon, one of America's great literary treasures, has completed his first novel in five years -- His Wife Leaves Him, a long, intimate exploration of the interior life of a husband who has lost his wife. His Wife Leaves Him is as achingly simple as its title: A man, Martin, thinks about the loss of his wife, Gwen. In Dixon's hands, however, this straightforward premise becomes a work of such complexity that it no longer appears to be words...