Many Scandinavian writers who had made their name in literary fiction felt they wanted to have a go at the crime novel to show they could compete with the best. If Salman Rushdie had been Norwegian, he would definitely have written at least one thriller.

At nineteen I was pretty sure I was going to be a professional soccer player. At that time I played for one of the Norwegian premier leagues. But I tore ligaments in both knees, so I started studying business administration and economics and became a financial analyst, and I worked at a brokerage firm as a stockbroker.

In most sports, your brain and your body will cooperate... But in rock climbing, it is the other way around. Your brain doesn't see the point in climbing upwards. Your brain will tell you to keep as low as possible, to cling to the wall and not get any higher. You have to have your brain persuading your body to do the right movements.

I was a really bad taxi driver. I only collided twice but it was one time too much.

All my friends who wanted to write had got nowhere trying to write the great European novel. So I deliberately steered clear of that and set out to write something story-led.

As I say, we Norwegians love our woolens, and you can buy some beautiful knitwear in Oslo. They might cost you a bit - but they will last.

For me, the best places to write are on planes, trains and at airports. Not hotel rooms but hotel lobbies. I'm really happy when I'm waiting for a plane and the message comes that it's three hours late. Great, I'll get to write!