Sherri Lackey: 2 books

Twenty years have passed since Keeva killed her grandfather, Delius.  She drank in his powers and became the Queen of the Vrykolakes, known by the ancient Greeks as the bloodless vampires. She and Severin have settled into some semblance of a normal life, living in rural North America...

Maybe she should have killed him when she had the opportunity. That’s what her father would have done. That’s what he’d taught her to do if she ever encountered a vrykolakas, a vampire-like creature which feeds on the life-force of human victims. Instead, she captured him and took him...