A lot of people, when they first hear about the Underground Railroad, think it really is a subway or a locomotive. When they find out it's not, they feel a little disappointed. So I thought, What if it was a literal underground train network traveling from state to state, with each state it goes through representing a different opportunity or danger?

I can't blame modern technology for my predilection for distraction, not after all the hours I've spent watching lost balloons disappear into the clouds. I did it before the Internet, and I'll do it after the apocalypse, assuming we still have helium and weak-gripped children.

The city knows you better than any living person because it has seen you when you are alone.

To put off the inevitable, we try to fix the city in place, remember it as it was, doing to the city what we would never allow to be done to ourselves. . . . New York City does not hold our former selves against us. Perhaps we can extend the same courtesy.

I write books and either people read them or they don't read them. The rise of Facebook or e-books doesn't change the difficulty level of writing sentences and thinking up new ideas.

I think being a writer was a crappy job when you just had typewriters. It was crappy when we just had ink and paper. And it's sort of crappy now. It's always just you and the page. That doesn't change.

His legs remembered the correct position for squatting down with toys. He played. He fit the round male studs into the round female grooves. He got some thinking done as he hunkered down on his fallen-sleep legs.