There''s nothing sinister about a London bus. Nothing supernatural could occur on a busy Tube platform. There''s nothing terrifying about a little caterpillar. And a telephone, what could be scary about that? Don''t be frightened of the dark corners of your room. Don''t be alarmed by a sudden, inexplicable chill. There''s no need for a ticking clock, a limping footstep, or a knock at the door to start you trembling. There''s nothing to be scared of. Nothing at all.