“What I’ve found with daily routines,” he said recently, “is that the useful thing is to have one that feels new. It can almost be arbitrary. You know, you could say to yourself, ‘From now on, I’m only going to write on the back porch in flip flops starting at four o’clock in the afternoon.’ And if that feels novel and fresh, it will have a placebo effect and it will help you work. Maybe that’s not completely true. But there’s something to just the excitement of coming up with a slightly different routine. I find I have to do it for each book, have something different."