‘Black market,’ she said indifferently. ‘Actually I am that sort of girl, to look at. I’m good at games. I was a troop-leader in the Spies. I do voluntary work three evenings a week for the Junior Anti-Sex League. Hours and hours I’ve spent pasting their bloody rot all over London. I always carry one end of a banner in the processions. I always look cheerful and I never shirk anything. Always yell with the crowd, that’s what I say. It’s the only way to be safe.’