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

Brown Bear, Brown Bear was kind of my first important book

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 Very Hungry Caterpillar” story is about hope. You, like the little caterpillar, will grow up, unfold your wings and fly off into the future

Papa, please get the moon for me.

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!

One Sunday morning the warm sun came up and - pop! - out of the egg came a tiny and very hungry caterpillar.