The book isn't new, but since it came out just in time for season 7 to be postponed, news of its existence didn't exactly get passed around the community. :)
If you want to check it out for yourself, we (the publishers!) have a PDF preview up of the book-- you can look at the contents, read part of a few of the essays, and see if you think it's up your alley. Read more about the book and check out the preview here.
Thanks for your time!
(Cross-posted to twenty_four and jackbauer_fans!)