The Old Man in the CornerThe man in the corner pushed aside his glass, and leant across the table. "Mysteries!" he commented. "There is no such thing as a mystery in connection with any crime, provided intelligence is brought to bear upon its investigation." Very much astonished Polly Burton looked over the top of her newspaper, and fixed a pair of very severe, coldly inquiring brown eyes upon him. She had disapproved of the man from the instant when he shuffled across the