Revenants trilogy

After their parents are killed in a car accident, sixteen-year-old Kate Mercier and her older sister Georgia, each grieving in her own way, move to Paris to live with their grandparents and Kate finds herself powerfully drawn to the handsome but elusive Vincent who seems to harbor a mysterious and dangerous secret

"The Parisian revenants have been betrayed by their trusted ally, Violette. Now Vincent is dead and Violette has destroyed his body so that he canot be reanimated. Refusing to give up on her love, Kate searches for a way to reincarnate him in time to prevent an all-out war between the bardia and the numa."--Provided by publisher