As far as one can tell, human beings are the only species for which the world seems made up of stories, Alberto Manguel writes. We read the book of the world in many guises: we may be travelers, advancing through its pages like pilgrims heading toward enlightenment. We may be recluses, withdrawing through our reading into our own ivory towers. Or we may devour our books like burrowing worms, not to benefit from the wisdom they contain but merely...