This is evidently the hottest organizational book/system out there right now, but I hadn't heard of it until one day when I heard of it twice. There are all sorts of websites devoted to "Getting Things Done" and I finally got curious enough to buy the book. Will let you know what I think.
If you're interested in writing, you should read this book. Even if you're afraid of the dark and reading Stephen King gives you nightmares -- you still should read this book. It's that good. And if you'd prefer to listen to the audibook, that's fine, too. Stephen King is a very good reader as well as writer.