It is peculiar that the Fantagraphics website does not acknowledge the existence of a book of which they are the stated publisher.
This was slated for November of '08 originally then pushed back to mid-December before finally being announced for the Dec 29th date you mention.
I'm sure this book is eventually coming out, but your guess is as good as mine as to when. I occasionally pester my LCS owner if he knows anything. Alas, he knows no more.