Just Another Judgement Day by Simon R Green

Just Another Judgement Day : Paperback : Penguin Putnam Inc : 9780441018123 : 0441018122 : 16 Dec 2011 : There's a new sheriff in town, and he's got the Nightside's rich and powerful quaking in their boots. He's The Walking Man, and it's his mission to exorcise sinners--with extreme prejudice--in this novel that is macabre and thoroughly entertaining (Jim Butcher, author of "The Dresden Files").