A book won't stand or fall on the very first line of prose -- the story has got to be there, and that's the real work. And yet a really good first line can do so much to establish that crucial sense of voice -- it's the first thing that acquaints you, that makes you eager, that starts to enlist you for the long haul. So there's incredible power in it, when you say, come in here. You want to know about this. And someone begins to listen.