Percy James Brebner, The Master Detective: Being Some Further Investigations of Christopher Quarles
“ The next morning I met Quarles in Queen's Square, and his appearance was proof of his enthusiasm. He posed as rather a feeble, inquisitive old man who could talk of nothing but finger prints and their significance. Sir Arthur was evidently not impressed with his ability to solve any mystery. When we entered the drawing-room he seemed lost in admiration of the apartment, and did not even glance at the open coffin which stood on the trestles. ”
