The Final Death — Gail Z. Martin

A Deadly Curiosities Novella.
Vampires, vengeful ghosts and Voodoo are all in a day's work for Cassidy Kincaide, owner of Trifles and Folly, an antique and curio store in historic, haunted Charleston, SC whose real mission is to get dangerous magical objects off the market and out of the wrong hands. When developers disturb old graves, Cassidy and her team land in the middle of big trouble as the restless dead return to finish old business and feast on the blood of the living.