By the time I finished the book [All Alone in the Universe], Robin Roy was saying, "More pictures!"

It's really daunting when you have just spent a lot of time on something to think about tossing it out. But once you've started something better that's working right, then it's pretty easy to let the first one go.

I do like to be surprised.

A long time ago, I had an idea to make a book for preschoolers who had older siblings who were going to school.

Some of it just involved thinking about, for example, the different kinds of science, what chemistry is.

By the time I finished the book [All Alone in the Universe], Robin Roy was saying, "More pictures!"

I creep over to my chair and sit there with my notebook and my thermos of coffee. It's my best time for thinking, because I haven't started thinking about anything else yet, and the thoughts can kind of go in and out of my head.