Read "The Middle of Things" by J.S. Fletcher online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
Viner was so sure that the sound which he had heard on Mrs. Killenhall's retirement was that caused by the turning of a key or slipping of a lock in the door by which he had entered, that before speaking to Miss Wickham he instantly stepped back and tried it. To his astonishment it opened readily, but the anteroom outside was empty; Mrs. Killenhall had evidently walked straight through it and disappeared.
"That's odd! " he said, turning to Miss Wickham. "I distinctly thought I heard something like the snap of a lock, or a bolt or something. Didn't you?"