Scott Westerfeld goes the Douglas Adams route.
From westerblog:
The book I’m writing at this very moment is called Extras. It’s set in the same future world as the Uglies trilogy. It’s Uglies Book 4, so to speak.
From westerblog:
The book I’m writing at this very moment is called Extras. It’s set in the same future world as the Uglies trilogy. It’s Uglies Book 4, so to speak.