“‘Did you see it?’ he asked me.

“‘See what?’ I said.

“‘The hound.’

“I told him I hadn’t seen a thing, but I heard the noise all right. Between you and me, though, I did think I saw a white flash for a second beside his bed, but I can’t swear to it.”

“We won’t trust our eyes tonight,” said the doctor. “I have three eyes in that case that will not be affected by hysteria or register hallucinations.”

“Three eyes? What are you talking about?”

“Cameras, of course.”

“But how—”

“Wait until we get there. I’ll show you.”