‘They’re all over the place,’ said Julia indifferently as she lay down again. ‘We’ve even got them in the kitchen at the hostel. Some parts of London are swarming with them. Did you know they attack children? Yes, they do. In some of these streets a woman daren’t leave a baby alone for two minutes. It’s the great huge brown ones that do it. And the nasty thing is that the brutes always –’