Sir Arthur Conan Doyle: Adventures of Sherlock Holmes

12. ADVENTURE XII. THE ADVENTURE OF THE COPPER BEECHES (continued)

"'So,' said he, smiling, 'it was you, then. I thought that it must be when I saw the door open.'

"'Oh, I am so frightened!' I panted.

"'My dear young lady! my dear young lady!'--you cannot think how caressing and soothing his manner was--'and what has frightened you, my dear young lady?'

"But his voice was just a little too coaxing. He overdid it. I was keenly on my guard against him.

"'I was foolish enough to go into the empty wing,' I answered. 'But it is so lonely and eerie in this dim light that I was frightened and ran out again. Oh, it is so dreadfully still in there!'

"'Only that?' said he, looking at me keenly.

"'Why, what did you think?' I asked.

"'Why do you think that I lock this door?'

"'I am sure that I do not know.'

"'It is to keep people out who have no business there. Do you see?' He was still smiling in the most amiable manner.

"'I am sure if I had known--'

"'Well, then, you know now. And if you ever put your foot over that threshold again'--here in an instant the smile hardened into a grin of rage, and he glared down at me with the face of a demon--'I'll throw you to the mastiff.'