CHAPTER THIRTY-FOURMiss Silver waited until the house was quiet that night. Then she got out of bed and set the door ajar. If there was to be any more sleep-walking, she wished to make sure of being an interested spectator. If she had come out of her room a little sooner the night before she would certainly not have permitted Miss Vane to intervene. Miss Mercer had had some purpose in her mind. It would have been interesting to discover what that purpose was. It had roused her from her bed, and had taken her to the foot of the stairs. If Miss Vane had not checked her there, it might have taken her a good deal farther. Perhaps as far as the drawing-room. She was certainly facing in that direction.
Miss Silver looked at her watch by the light of the bedside lamp. It was half past eleven. Sh
