If you've read my reviews of Volumes 1 & 2, you can probably guess that I liked The Blood Books, Volume III. The characters are interesting, and the stories are original. This volume contains a novel and a short story collection.
I thought the novel wasn't quite as good as the previous ones. The other ones featured supernatural enemies and mad scientists. This one featured an evil doctor who killed street people for their organs. That might have been fairly original in 1997 when the story was written, but in 2006 it's been done to death. Adding in the ghosts were a nice touch. The story was still pretty goo, though I thought it dragged in places.
I liked the short stories better. I had actually read "This Town Ain't Big Enough," though I have no idea where, since it was first published in Vampire Detectives, and I'm pretty sure I haven't read that. I liked all the stories, but I guess I'd pick "So This Is Christmas" as my favorite.
Anyway, buy these books. I give The Blood Books: Volume III four and a half yo-yos.
Edit: While cataloging my books, I discovered that "This Town Ain't Big Enough" is also in the book Virtuous Vampires, which I do have a copy of.