Then one day I thought it would be wonderful to make a whole book, to make my text and my drawings together, and that's how I started doing children's books.

I want a nice picture book with 12 pictures - I do my best with that format.

But we discovered that, although I liked publishing, the commercial side meant nothing at all to me.

Then one day I thought it would be wonderful to make a whole book, to make my text and my drawings together, and that's how I started doing children's books.

I have been drawing all my life.

I did about 2000 covers altogether, for all sorts of books - from Shakespeare to James Bond - and I always had the idea that I must give 100%, no matter who the author was.

When I make a book, I make it for the child and not for the parent - no jokes in it for the parents!