back toward the shaft to catch more of its subtle warmth. Now that the normal egress was cut off, he began to think more keenly of that dark aperture that led down into the hill. The hole, though narrow, was still large enough to accommodate the width of his body with a few good inches on either side. He leaned toward the tunnel, trying to peer into the darkness, which revealed nothing, and wondered if it connected to another opening in the hill or a sheer drop to the center of the earth.
His decision was made when Wood carried the book over and dropped it at his feet. The dog lay down and prepared for the long wait he now somehow understood was before them.
âNo thanks,â said Cley. âIâll take the shaft.â
He got a box of matches and another candle from the pack and put them in his pocket. Then he tore the lit candle off the floor. Before crawling forward into the darkness, he looked back and emphatically told the dog to stay put. He took a few deep breaths as if about to dive under water, then inched slowly forward, the flame flickering in the warm breeze that moved up around him.
Five yards farther in and the tunnel narrowed even more. He was forced to lie on his stomach in order to proceed. The shaft pitched downward at a forty-five-degree angle, and from what little he was able to see ahead, it seemed to continue that way for quite a distance. If it didnât open up and present a place where he could turn around, it would be difficult wriggling up that slope backward. He decided to go on a few more yards. Moving like a snake, he continued as the walls of the tunnel closed in around him.
He stopped to rest and noticed how warm it was in the shaftâa pleasant place simply to lay his head down and sleep. Then he remembered this was exactly what the winter wind had told him the night he had been lost in the storm. Before he began to move again, he heard something up aheadâwater dripping or loose pebbles tumbling. Suddenly, Wood was behind him, barking. The candle guttered in a strong gust from below, and everything went black. The dog panicked and tried to scrabble past Cley, unknowingly clawing the hunterâs legs.
âEasy, easy,â he called out to Wood, and lunged forward, trying to escape the frantic dog. In doing so, he moved himself out over an unseen ledge and the two of them fell. Cley screamed, thinking he was headed for a mile-long descent, but his cry was abruptly cut off when he hit solid rock five feet below. He landed on his side, smashing his elbow, and the wind was knocked out of him. Wood came down on top of him, and then sprung off unharmed. The hunter rolled on the hard rock, working to catch his breath.
It was pitch-black, but, even in his distress, Cley noticed that the sound Woodâs nails made against the rock echoed out, indicating they had stumbled onto another large chamber. He rolled himself to a sitting position and dug the matches out of his pocket. Sparking a match to life, he lit the candle he had been able to hold on to through the misadventure. The flame revealed what he had suspected: another cave, larger than the one above, and at the far end of it a tunnel of such size that he might enter it standing upright. Cley noticed that the warm breeze, which heated his own rock apartment above, was emanating from down the corridor that led farther into the hill. He started slowly forward, holding the candle out in front at armâs length, while Wood followed close behind.
The tunnel took a wide turn, and as they followed its curve, a blast of warm air extinguished the candle again. Cley cursed out loud, then noticed that there was another light source somewhere in front of him. Stumbling forward, using the rock wall for support, he finally stepped out of the passage and into a small chamber bathed in a yellow-green light.
At first, he thought it must be the sunlight streaming through a hole in the ceiling. The glow came not from above,