The guard who had followed was gone, lost behind in the rolling clouds of ash that drifted from the ruins of Sherikov’s underground fortress. Cole reached the top of the hill. For a brief moment he halted to get his breath and figure where he was. It was almost evening. The sun was beginning to set. In the darkening sky a few dots still twisted and rolled, black specks that abruptly burst into flame and fused out again. Cole stood up cautiously, peering around him. Ruins stretched out below, on all sides, the furnace from which he had escaped. A chaos of incandescent metal and debris, gutted and wrecked beyond repair. Miles of tangled rubbish and half-vaporized equipment. He considered. Everyone was busy putting out the fires and pulling the wounded to safety. It would be awhile before

