Damon began sneezing again. "Let's get out of here, sir."
"Wait a minute. There's a cellar."
A flight of steps led down into darkness. Burden went down first, switching on his torch. He let the beam play on what lay below. There was a small square of floor space and beyond that a doorway. All the other doors in the house were open but that door was shut. Burden said, with some kind of prevision, with foreboding, "Better not touch that doorknob."