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 didn't have to do that much research to present a post-apocalyptic New York because I basically grew up in that New York. That old New York is gone, and that's one thing that's undiscoverable now but I explore in my fiction.

Growing up devouring horror comics and novels, and being inspired to become a writer because of horror novels, movies, and comic books, I always knew I was going to write a horror novel.

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

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.

Talking about New York is a way of talking about the world.

Twenty years ago, when I started writing, I didn't define myself as an African-American writer. And then you write books and you're focused on what's inside your books, and that kind of term is generally used on the outside, by the critical establishment.