Blood Coup by William Stacey - Supernatural Activities Division #4

Wyatt Hood finds he has gained the magical powers of a Necromancer, the power of death. To be trained in its arts, he makes his way to Haiti to learn from a family of Necromancers. But his training is cut short as he is called back to duty to deal with a plague in Puerto Rico. Chloe Winters and the entire Shadowstrike team find themselves in the middle of a power struggle with a family of vampires. It’ll take all their combined powers and skills to stop a plan that threatens to wipe out humanity.

This series has it all. Non-stop action, magic, fight scenes that would challenge Hollywood’s expertise, and all the suspense you could hope for.