And this shows that people want to be stupid and they do not want to know the truth. And it shows that something called Occam's razor is true. And Occam's razor is not a razor that men shave with but a Law, and it says: Entia non sunt multiplicanda praeter necessitatem. Which is Latin and it means: No more things should be presumed to exist than are absolutely necessary. Which means that a murder victim is usually killed by someone known to them and fairies are made out of paper and you can't talk to someone who is dead.

There's something with the physical size of America... American writers can write about America and it can still feel like a foreign country.

I want my name to mean me.

With English literature, if you do a bit of shonky spelling, no one dies, but if you're half-way through a maths calculation and you stick in an extra zero, everything just crashes into the ravine.

I knew there was a story; once you find a dog with a fork through it, you know there's a story there.

There was a time in my life when I was going in and out of houses that were extraordinarily different - from a working-class terrace in Northampton to the homes of friends who were really very wealthy. It was quite an odd position to be in, I realise looking back, and quite a nice one.

And I know I can do this because I went to London on my own, and because I solved the mystery…and I was brave and I wrote a book and that means I can do anything.