My mother married again after my father's death - another Royal Air Force officer, and a very different kind of man. We went to Australia when I was eight or nine. We lived there for a couple of years, and then came back and lived in North Wales for the whole of my teenage years... I learned how to write poems quite a lot. I just had a good time reading and reading and reading. So that's where I did most of my growing up.

No one has the right to live without being shocked.

Make this the golden rule, the equivalent of the Hippocratic oath: Everything we ask a child to do should be worth doing.

A story, to me, has a particular sprite, like the angel of the spirit of that story - and it's my job to attend to what it wants to do. When I tell the story of Cinderella, the sprite does not want me to make it into an allegory of the fall of communism. The sprite would be unhappy if I did that.

The best way to get kids to read a book is to say: 'This book is not appropriate for your age, and it has all sorts of horrible things in it like sex and death and some really big and complicated ideas, and you're better off not touching it until you're all grown up. I'm going to put it on this shelf and leave the room for a while. Don't open it.

That's the duty of the old, to be anxious on behalf of the young. And the duty of the young is to scorn the anxiety of the old.

I was born in Norwich in 1946, and educated in England, Zimbabwe, and Australia, before my family settled in North Wales.