CHAPTER 6Matt moved away from the rock wall—or what he assumed to be the chamber’s rock wall—several times, in several directions. But the overhead light of the drop opening never appeared. He leaned against a column of stone that glittered wetly in the sliding beam of his flash. Water dripped. He found himself concentrating on that sound of dripping water, for no reason at all. He shook his head anxiously and tried to ignore the pressing darkness. He suddenly thought of his flashlight and remembered the fifth of the Grotto’s ten commandments: You will always carry three sources of light, and a waterproof container of matches. Well, he had the waterproof matches. But—he quickly switched off the flashlight. He told himself that he turned the light off because it might make some overhead

