Batman, Vol. 1 #678 (2008)

Batman R.I.P. - Zur En Arrh
Batman awakens on the street, though he has no memory of who he is. He starts trying to put his life back together, applying his detective skills to what limited information he has. Meanwhile, Robin and Nightwing start looking for him everywhere but the Batcave, where they would find something extremely unexpected.
Release Date: 2008