Vampire Twins Series by Janice Harrell

Struggling to cope with their dark vampire legacy, Anne Marie Montclair grieves over her mother's tragic death, while her twin brother, Paul, is torn between his love for his sister and his hatred toward the father who had abandoned him.

The thrilling story of a sister and brother torn apart by the unthinkable secret that is their destiny. Horrified by her true nature, Anne Marie denies her cravings. Must she cut herself off from her twin brother to avoid becoming a vampire? Paul plunges into his father's legacy, but will his new power destroy Anne Marie--and himself?

Struggling against her own thirst for blood, Anne Marie is stricken by the recklessness of her brother, whose appetite drives him to commit a terrible crime and makes him target his sister. By the author of The Secret Diaries.

Overhead, voices hissed at her from bare branches, calling her name: "Ar-ee."The words faded into the wind. To Ari's astonishment the chalice clung to her fingers as if held by suction. She tried to shake it off and stared down at it, aghast. Her fingers were sticking to the gold! Her hands tingled. Was it possible the gold wouldn't let her go? Was she doomed to keep it forever?