The new book has been posted on amazon.com The page states:
Availability: This item has not yet been released. You may order it now and we will ship it to you when it arrives. Ships from and sold by Amazon.com.
You might have to copy and paste the link into address bar for it to work.
I have emailed the publisher and one of the authors regarding when they think the book will be available. As soon as I hear from either of them I will let you know