Underheist (Underheist #5)

In the finale of this surreal crime thriller, David's mental state hasn't improved a bit, and David will have to go through the closest thing to literal hell imaginable to make good on the money.

As familiar faces and unfamiliar surroundings blur into a gothic kaleidoscope in a world almost literally turned upside down, what will become of Doc, Grabiella, Lil, and David in the end?