Cerulean Sins (Anita Blake, Vampire Hunter, Book 11)

The human consort of Master Vampire Jean-Claude and Micah, the leopard shapeshifter, Anita Blake must come to Jean-Claude's assistance when his oldest ancestor sends one of her vicious and powerful underlings to St. Louis. Once a sworn enemy of all monsters, Anita is now the human consort of both Master Vampire Jean Claude and leopard shapeshifter Micah. When a centuries-old vampire hits St. Louis, Anita finds herself needing all the dark forces her passion can muster to save the ones she loves