"The Book of Genesis depicts them as doing strange things--mating with the daughters of men to spawn giants, for example, and wrestling with Jacob for no apparent reason. In It's a Wonderful Life, Frank Capra spun a tale of one as a bumbling helper of humans; in Wings of Desire, Wim Wenders told of one who wished to be human. They are angels, of course, and they have fascinated us since recorded history began. In Angels, David Albert Jones provides...