The Adventure of the Red Circle

"Well, Mrs. W Warren, I cannot see that you have any particular cause for uneasiness, nor do I un­derstand why I, whose time is of some value, should interfere in the matter. I really have other things to engage me." So spoke Sherlock Holmes and tur­ned back to the great scrapbook in which he was ar­ranging and indexing some of his recent material.
But the landlady had the pertinacity and also the cunning of her sex. She held her ground firmly.