The 'mummy porn' author and the suburban bookshop

"Oh, you mean this week," she says. "I haven't sold any this week. Two is what I have sold in total." Surely not? I thought suburban Britain was supposed to be a hotbed of key-swapping swingers who would glory in EL James's erotica. "Who do you think is buying this book if not your customers?" I ask. A look of inner confidence washes over her face. "Silly mothers," she says with absolute certainty. "The giggly sort, not the type who would normally read a book." At which point a previously unseen presence makes itself felt…