‘It’s quite easy,’ urged Arthur, ‘if you don’t know how. That’s the important bit. Be not at all sure how you’re doing it.’ Just to demonstrate how easy it was he floated away down the alley, fell upwards quite dramatically and bobbed back down to her like a banknote on a breath of wind. ‘Ask me how I did that.’ ‘How . . . did you do that?’ ‘No idea. Not a clue.’
