Work less than you think you should. It took me a while to realise there was a point each day when my creativity ran out and I was just producing words - usually lousy ones - for their own sake. And nap: it helps to refresh the brain, at least mine.

So the premise of 'The Submission' is that there's an anonymous competition to design a 9/11 memorial and it's won by an American Muslim, an architect born and raised in Virginia, and his name is Mohammad Khan.

In Germany, you have a huge official memorial to the murdered Jews and then you have this artist who's been putting these stumbling blocks, these brass cobblestones, outside the houses Jews were taken away from. It's somewhat controversial and has met some resistance.

My parents are aging and there are difficult issues. It's strange to have children at the beginning of life and parents nearing the end.

As a reporter you tend to seek coherence from your subject or your source - it all needs to add up and make sense. In truth, in reality, there's often a great deal of murkiness and muddiness, confusion and contradiction.

I think in the wake of 9/11, like a lot of Americans, you know, we were all very traumatized by the attacks, traumatized in a totally different way by some of what happened afterward in response. And I think there have been these questions hovering in the past decade of, what kind of country are we? Who are we?

History is the history of human behavior, and human behavior is the raw material of fiction. Most people recognize that novelists do research to get the facts right - how a glove factory works, for example, or how courtesans in imperial Japan dressed.