The winters in Denver are brutal; it snows from the end of October to April.

Every publisher or agent I've ever met told me the same thing - that Irish readers don't want to read about the bad old days of the Troubles; neither do the English and Americans - they only want to read about the Ireland of The Quiet Man, when red-haired widows are riding bicycles and everyone else is on a horse.

I love the trilogy form. I like the idea that you can establish a character in book one. And then in the second part, you can take the characters down to their darkest point. And then in the third part, you have total freedom either to give them redemption - or just to kill them.

Our daughter's name Arwynn comes from Arwen in 'Lord of the Rings' because my wife and I met for the first time in the Eagle and Child pub in Oxford where J. R. R. Tolkien and C. S. Lewis used to go to read out their stories to one another.

I've never been a believer in the word-count thing. I write slowly and tinker with the words and the word order, and I throw a lot of stuff out.