Mark Billingham

In America, they have specialist mystery book stores with whole sections devoted to cat mysteries, golf mysteries, quilting mysteries. It's a hugely broad genre from the darkest noir to tales of a 19th-century vet who solves crimes, thanks to his talking cat.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.

I like people who don't accept boundaries. Like Florence Nightingale. And Napoleon or Louis XIV, though I'm not sure how much I'd have liked to meet them. I admire people who aren't circumscribed by circumstance.