Cerulean Sins by Laurell K. Hamilton — book slip

Anita Blake, a preternatural expert and vampire hunter, is approached by Leo Harlan to reanimate his long-dead ancestor. What seems like a routine case quickly turns into a dangerous game as the corpse holds secrets to an ancient crime that some want to remain buried. As Anita navigates the dark underworld of vampires and necromancers, she must confront her own moral boundaries and the seductive pull of power.

Part of the Anita Blake, Vampire Hunter series.