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.

The September 11, 2001, attacks on the World Trade Center and the Pentagon prompted a fundamental shift in the American government's approach to Islamic terrorism.

Nothing in life gets dropped without someone else having to pick it up.

I found 'The Twin' sitting on a coffee table at a writers' colony in 2009. It carried praise from J.M. Coetzee. That seemed ample justification for using it to avoid my own writing. I finished it - weeping - a day later, and I've been puzzling over its powerful hold on me ever since.

As a novelist, you deepen your characters as you go, adding layers. As a reporter, you try to peel layers away: observing subjects enough to get beneath the surface, re-questioning a source to find the facts. But these processes aren't so different.

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.

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.