Rafe asks him, could the king's freedom be obtained, sir, with more economy of means? Less bloodshed? Look, he says: once you have exhausted the process of negotiation and compromise, one you have fixed on the destruction of an enemy, that destruction must be swift and it must be perfect. Before you even glance in his direction, you should have his name on a warrant, the ports blocked, his wife and friends bought, his heir under your protection, his money in your strong room and his dog running to your whistle. Before he wakes in the morning, you should have the axe in your hand.

Read Becoming a Writer by Dorothea Brande. Then do what it says, including the tasks you think are impossible. You will particularly hate the advice to write first thing in the morning, but if you can manage it, it might well be the best thing you ever do for yourself. This book is about becoming a writer from the inside out. Many later advice manuals derive from it. You don't ­really need any others, though if you want to boost your confidence, "how to" books seldom do any harm. You can kick-start a whole book with some little writing exercise.

Insights don't usually arrive at my desk, but go into notebooks when I'm on the move. Or half-asleep.

I would have been a disaster as a career politician. I would never have toed a party line.

When people begin to talk about "our island story" my hackles rise. It is deluded and conservative.

At New Year's he had given Anne a present of silver forks with handles of rock crystal. He hopes she will use them to eat with, not to stick in people.

Back in my 20s, when I wrote 'A Place of Greater Safety,' the French Revolution novel, I thought, 'I'll always have to write historical novels because I can't do plots.'' But in the six years of writing that novel, I actually learned to write, to invent things.