Looks like this is scheduled to go on sale in October and it'll be a hardcover! You can pre-order at the Amazon link over on the right, but they don't have any images yet. With that in mind I hope no one cares if I post a couple of samples here to whet your appetite:
In case some of us have forgotten, this page shows how skillfully Bernie arranges areas of black and white. He mastered "chiaroscuro" before most of us could spell the word. It's all there in the pencils, which makes an inker's job a lot easier.
As discussed elsewhere, this story was written, pencilled and inked in 1997, but remained unpublished until 2010, in "Batman's Hidden Treasures".