The old lady muttered to herself as she walked along the street pushing a supermarket trolley, and passers-by gave her a wide berth. She had a red woollen scarf tied around her head and a thick tweed coat that reached down almost to her ankles. She was wearing scuffed leather boots with bright yellow shoelaces and from around her ankles protruded pieces of newspaper. One of the wheels on her trolley kept sticking and she had to concentrate hard to keep it moving in a straight line. The trolley contained everything she owned, packed into plastic carrier bags which were stacked on several sheets of cardboard.

  She stopped next to a rubbish bin and began searching through it. Her first major find was a copy of the Daily Telegraph, rolled up tightly. She unrolled it carefully and flicked through it. She beamed with pleasure as she saw that the crossword hadn’t been done, and refolded it, slipping it into one of the carrier bags. Deeper inside the bin she came across a Burger King carton containing a barely touched cheeseburger and a pack of French Fries, along with an unopened sachet of tomato ketchup. She giggled and did a little jig around the bin, then packed her treasure into another carrier bag and resumed her journey. There were more than a dozen rubbish bins along the one-mile stretch of road and she checked them twice each day.

  Small drops of rain began to patter around her and she glared up at the leaden sky. A raindrop splattered on her spectacles and she took them off and wiped the lenses with a pale blue handkerchief. After she’d put her glasses back on she untied a large golfing umbrella from the side of her trolley, unfurled it, and jammed the handle down among the carrier bags so that she had some shelter as she walked.