"I'm in, Mr. Bartle," answered Pratt, turning up a gas jet which he had just lowered. "Come in, sir. What can I do for you?" Antony Bartle came in, wheezing and coughing. He was a very, very old man, feeble and bent, with little that looked alive about him but his light, alert eyes. Everybody knew him--he was one of the institutions of Barford--as well known as the Town Hall or the Parish Church. For fifty years he had kept a second-hand bookshop in Quagg Alley, the narrow passage-way which connected Market Street with Beck Street. It was not by any means a common or ordinary second-hand bookshop: its proprietor styled himself an "antiquarian bookseller"; and he had a reputation in two Continents, and dealt with millionaire buyers and virtuosos in both. Barford people sometimes marvelled at the news that Mr. Antony Bartle had given two thousand guineas for a Book of Hours, and had sold a Missal for twice that amount to some American collector; and they got a hazy notion that the old man must be well-to-do--despite his snuffiness and shabbiness, and that his queer old shop, in the window of which there was rarely anything to be seen but a few ancient tomes, and two or three rare engravings, contained much that he could turn at an hour's notice into gold. All that was surmise--but Eldrick & Pascoe--which term included Linford Pratt--knew all about Antony Bartle, being his solicitors: his will was safely deposited in their keeping, and Pratt had been one of the attesting witnesses. The old man, having slowly walked into the outer office, leaned against a table, panting a little. Pratt hastened to open an inner door. "Come into Mr. Eldrick's room, Mr. Bartle," he said. "There's a nice easy chair there--come and sit down in it. Those stairs are a bit trying, aren't they? I often wish we were on the ground floor." He lighted the gas in the senior partner's room, and turning back, took hold of the visitor's arm, and helped him to the easy chair. Then, having closed the doors, he sat down at Eldrick's desk, put his fingers together and waited. Pratt knew from experience that old Antony Bartle would not have come there except on business: he knew also, having been at Eldrick & Pascoe's for many years, that the old man would confide in him as readily as in either of his principals. "There's a nasty fog coming on outside," said Bartle, after a fit of coughing. "It gets on my lungs, and then it makes my heart bad. Mr. Eldrick in?" "Gone," replied Pratt. "All gone, Mr. Bartle--only me here." "You'll do," answered the old bookseller. "You're as good as they are." He leaned forward from the easy chair, and tapped the clerk's arm with a long, claw-like finger. "I say," he continued, with a smile that was something between a wink and a leer, and suggestive of a pleased satisfaction. "I've had a find!"