In 18th-century Scotland, the main event was the Jacobite rebellion under Bonnie Prince Charlie, so that seems like a nice dramatic backdrop.

Every time I'd read about the stone circles, it would describe how they worked as an astronomical observance. For example, some of the circles are oriented so that at the winter solstice, the sun will strike a standing stone.

What underlies great science is what underlies great art, whether it is visual or written, and that is the ability to distinguish patterns out of chaos.

The Internet has improved a lot in the last few years, but still, you wouldn't want to depend on Web sources for historical analysis. There's just something hard to beat about a book.

I learned just recently, in fact, that a lot of people who read do not form a visual image from what they're reading. They just don't. They follow the events and get the resonance with the language, but they have only a vague, general idea of what the characters look like.

From the late '70s to the early '90s, I wrote anything anybody would pay me for. This ranged from articles on how to clean a longhorn cow's skull for living-room decoration to manuals on elementary math instruction on the Apple II... to a slew of software reviews and application articles done for the computer press.

People ask me why I write strong women, and I say, 'Well, I don't like stupid ones.' Who would want to read about weak and whiny women? Are they people who assume women are weak and whiny? If so, why do they think that?

My parents were both born in 1930. They grew up during the Depression. They wanted their children to have secure lives, to have a good salary and a pension plan. If I could've guaranteed that I'd be a best-selling writer, that would've been one thing, but nobody could say that. So I knew better than to say that was ambition.

I'm not one of these writers who says, 'Oh yes, the next book is due out in one year and three days.' I just say, 'You're gonna get it when it's done. It's gonna be good, but you're not going to get it until it is good.'