Blythe tells Metal Hammer's Chris Chantler: "I'm working on an outline for a book, but that's about as much as I can do while I'm on the road. Writing a book makes writing a record look like going to kindergarten. It's a much more tense, concerted, extended, creative effort - it requires a lot of focus that this environment does not provide.

"It's set 50 to 100 years in the future. I'm wracking my brain right now, because you have to figure out all sorts of little things we don't think about, because of the incredibly rapid advancement of technology.