I carried the bones of this story around for quite a few years before I finally stumbled upon its beating heart," explains the author. "In my head was the image of a doll house, huge and not quite right, and a woman searching desperately for something concealed inside. But I could never work a story around it that didn't seem twee. Doll houses, you know? "But then Emma and Holly appeared - trapped within their own fractured, futile relationship - and everything just, well, fell together. Beautifully. Awfully. And now I have a doll house story. Of a kind.