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.

I wasn't sitting around years ago thinking I really want to write a novel.

While researching 'The Submission,' I went to a protest against the Ground Zero mosque in New York when I was about to give birth to twins. It was about 100 degrees. People thought I was very dedicated.

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.

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.

My children, who are almost two: watching them develop has made me pay much closer attention to how we become who we are.

I had been a reporter for 15 years when I set out to write my first novel. I knew how to research an article or profile a subject - skills that I assumed would be useless when it came to fiction. It was from my imagination that the characters in my story would emerge.