The book is finally — almost — in the distribution system!
You can sign up to pre-order at Amazon in the States.
Amazon in Germany. (Note: The book is still in English!)
Doesn’t seem to have reached Barnes & Noble or anywhere else, yet. I’ll update everybody here once it’s available generally.
If you are anxious (a natural feeling) you can buy it immediately at the publisher: click here.
Or if you are feeling the need badly, there’s always this book.