Then into every cleft that stood in the rocks Slid sent his hugest wave and others followed behind it, and Slid himself seized hold of huge rocks with his claws and tore them down and stamped them under his feet.
These, I knew, were only the creations of fiction; yet, after all, it seemed possible that the earth might contain vast hollow spaces in its interior--realms of eternal darkness, caverns in comparison with which the hugest caves on the surface were but the tiniest cells.