It's through the voice that I tend to figure out the character (and through dialogue that I come to understand other characters).

I write the books I want to read. I'm interested in seeing what happens with this book in the marketplace.

People talk about Obama in the same way 12-year-olds talk about Bieber, and speculate about what he and Michelle are like behind closed doors the same way those 12-year-olds wonder what Justin and Selena are like.

For each of my novels, I've had something of a eureka moment of deciding what world I want to set it in - Wall Street, the pop-music industry, Harvard - and what the very vague contours of the narrative might be (which typically get changed a lot through the writing process).

I've never gone through the paces that writing textbooks sometimes recommend, such as writing out a character's biography, or determining what his favorite food is, or most traumatic memory, etc. - that's always seemed like a fraudulent way of assembling a fictional person.

It's through the voice that I tend to figure out the character (and through dialogue that I come to understand other characters).

I think that most successful artists - not always, but a lot of them, in any field - have business savvy as well and have some sense of marketing acumen. I think the key is to be good enough at it that it doesn't overwhelm your aesthetic interests, but have just enough that you make smart decisions.