Write what you know. Every guide for the aspiring author advises this. Because I live in a long-settled rural place, I know certain things. I know the feel of a newborn lamb's damp, tight-curled fleece and the sharp sound a well-bucket chain makes as it scrapes on stone. But more than these material things, I know the feelings that flourish in small communities. And I know other kinds of emotional truths that I believe apply across the centuries.

I think probably the scaredest I've ever been was in Somalia. I arrived there when the episode that became known as 'Black Hawk Down' was still taking place. The Americans were still pinned down under fire. And everybody else was basically going the other way, and I was the only one putting my hand up for a flight in.

And at this moment in history, our core value happens to be the raw, aching truth of the human predicament. It may also be the only belief that can save us as a species. A species that will continue to find comfort and delight in the companionship of animals, the miracle of birds, the colours of the corals and the majesty of the forests. We are in it together, on this blue spinning marble in the cold and silent void. And we must act on that belief, if we are going to be able to continue to live a good life here, in this beautiful and fragile country, on this lovely planet, our only home.

We are not the only animal that mourns; apes do, and elephants, and dogs. Yet we are the only one that tortures.

I think that you can honour the sacrifices of a common soldier without glorifying war.

Because I worked as a newspaper reporter for about 14 years before attempting my first novel, I learned to write under almost any circumstances- by candle light, in longhand, in African villages where there was no power, under shelling in Kurdistan.

Sometimes I want to have a mental book burning that would scour my mind clean of all the filthy visions literature has conjured there. But how to do without 'The Illiad?' How to do without 'Macbeth?