Edgar Wallace,
Terror Keep — Chapter 17
(1927)
“ The farther they progressed, the poorer and more inadequate was the light. They had to feel their way along the wall until the next recess was reached. Flat slabs of rock, laid one on the other, had been piled up in the entrance, and the work of removing the top layers was a painful one. Margaret could not help him. She sat with her back to the wall and fell into the uneasy sleep of exhaustion. She had almost ceased to be hungry, though her throat was parched with a maddening thirst. She woke heavily and found Brill shaking her shoulder. ”
