ENDGAME There was no more observation. No more delta T or meteorology. No more scraps of plants or animals or observations of water and wind and sky. Luke calculated and thought and worked out the future with more and more fury. Sylvia’s model had led to what Luke had been after, what the whole expedition was for: he could see how to change their reality. The sky was obscured by the smoke from the bonfire. It was like the end of the world. Mac quietly and very cautiously set up his explosives. He checked and he double-checked and he made sure that the caps were not too warm and that he didn’t drop anything. He set them up when the others weren’t watching. The caps alone could take his eyes and hands, if he weren’t careful, but this had to be done — both he and Ben were agreed. It was why

