Prologue Here, if you look to the horizon, you can see the ocean tilted toward you like a bowl about to spill. Look up, and if the sky is clear enough, you can see light-webs of cities halfway around the world. It is perpetually night. There is only one star in the sky, a pinhole of light in the center of the world, above everybody's heads. Sometimes it blurs blue or red or gets masked by clouds. The only other natural light comes from below and within: a faint turquoise from the oceans, crimson and orange from the land, trees and brush emitting many shades of blue. The living organisms also glow in every color and with every intensity, incl