One day I think it's the greatest idea ever that I'm working on. The next day I think it's the worst that I've ever worked on - and I swing between that a lot. Some days I'm very happy with what I'm doing, and the next day I am desperate - it's not working out!

Papa, please get the moon for me.

You know, now it's sinking in. It's taken me a long time to realize - and it is sinking in - how important this book is. And I have a certain distance now. I've done it such a long time ago.

They are deceptively simple. I admit that. But for me, all my life I try to simplify things. As a child in school, things were very hard for me to understand often, and I developed a knack, I think. I developed a process to simplify things so I would understand them.

The hardest part is developing the idea, and that can take years

Ever since I was very young, as far back as I can remember, I have loved making pictures. I knew even as a child that, when I grew up, I would be an artist of some kind. The lovely feeling of my pencil touching paper, a crayon making a star shape in my sketchbook, or my brush dipping into bright and colorful paints — these things affect me as joyfully today as they did all those years ago.

Let's put it this way: if you are a novelist, I think you start out with a 20 word idea, and you work at it and you wind up with a 200,000 word novel. We, picture-book people, or at least I, start out with 200,000 words and I reduce it to 20