When he had had a good long rest, Algy hopped up onto the edge of the boat and perched there looking at the spectacle of the harbour at low tide. Bunches of stranded seaweed trailed from all the ropes which were secured to the harbour walls, and the beached boats listed aimlessly to one side, as though they were not feeling quite well, deserted by the sea. The tide was still running out, and the surface of the sea bed shimmered with a thin coating of water that had not quite drained away, and possibly never would…