MARY MAKEBELIEVE lived with her mother in a small room at the very top of a big, dingy house in a Dublin back street. As long as she could remember she had lived in that top back room. She knew every crack in the ceiling, and they were numerous and of of mildew on strange shapes. Every spot the ancient wall-paper was familiar. She had, indeed, watched the growth of most from a greyish shade to a dark stain, from a spot to a great blob, and the holes in the skirting of the walls, out of which at night time the cockroaches came rattling, she knew also. There was but one window in the room, and when she wished to look out of it she had to push the window up, because the grime of many years had so encrusted the glass that it was of no more than the demi-semi-transparency of thin horn. When she did look there was nothing to see but a bulky array of chimney-pots crowning a next-door house, and these continually hurled jays of soot against her window therefore, she did not care to look out...