When I turned 35, I thought, 'Mozart was dead at 36, so I set the bar: I'm going to start writing a book on my next birthday.' I thought historical fiction would be easiest because I was a university professor and know my way around a library, and it seemed easier to look things up than make them up.

What underlies great science is what underlies great art, whether it is visual or written, and that is the ability to distinguish patterns out of chaos.

For months, people have been asking my views about the Scottish independence referendum, and I've been saying, 'It's not my country; I don't live here. Much as I love Scotland, I think it would be inappropriate to express a personal opinion regarding Scottish politics'.

In a great many stories that deal with time travel, there's usually somebody who knows how time travel works. They lay out the rules.

I have all the time and space in the world when I write a book.

I stagger out of bed, take the dogs outside, and then I'll get a Diet Coke and a couple of dog biscuits and go upstairs. By the time I've consumed my Diet Coke and had a quick run through the morning email and Twitter feed, I will probably be compos mentis enough to work.