Circle of Fire by Keri Arthur

Sixteen teenagers taken from their homes. Eleven bodies recovered, each completely drained of blood. Some believe vampires are responsible, but Jon Barnett knows it’s something far worse. To stop the killers in Taurin Bay, he becomes enmeshed in a web of black magic and realizes he needs help. But fate gives him only one choice in the form of recluse Madeline Smith.

Madeline Smith has retreated to an isolated farmhouse, afraid of the psychic abilities she can’t control-abilities that have killed. But when “ghost” Jon Barnett brings a warning of danger and her nephew disappears, Maddie has to leave her haven. She also has to learn to control the abilities she fears and place her trust in Jon Barnett, a man who is neither human nor ghost… Read more.