Morrigan's Cross (Circle Trilogy, Book One)

The Circle Trilogy begins with an epic tale that breaks down the boundaries between reality and the otherworldly, while forging together the passions of the men and women caught in a battle for the fate of humanity…

As the powerful vampire Lilith prepares to quench her thirst for destruction by unleashing her fury in battle, a medieval sorcerer, one of the circle of six charged by the goddess Morrigan, must travel through time to stop her.