Unremarkable but adequate lighting; expressionless decor and dinnerware; floor plan designed to the last detail by management engineers; innocuous background music at low volume; staff meticulously trained to deal with customers by the book: “Welcome to Denny’s.” Everything about the restaurant is anonymous and interchangeable. And almost every seat is filled.Random House has an excerpt up for Haruki Murakami's new book, After Dark. Check it out.