"However, our detective reported that Miss Dolittle was at the shop, having all of the old books heaped upon a cart. Being truly puzzled by the case, I decided to follow it up myself, which I did, reaching the place in my closed car just as you were being driven away on the book-laden truck. I followed, unobserved, and when you descended in front of the Pensinger mansion, with which place I am familiar, I decided that you lived there. To verify this I visited the grocer who has charge of the place.