Ivy and Olivia are super excited - their aunt on their mother's side has invited them to stay at her ranch, to get to know them. But she's not in on the vampire thing, and when Ivy scares off her favourite horse, the girls have to find him or risk blowing the coffin lid off the secret.

Author Biography

Sienna Mercer Sienna Mercer grew up in Toronto, Canada. She was an only child, and always wanted a brother or sister - especially a twin. A twin would have been awesome! Sadly, she never got that sister so, when she was grown up, she did the next best thing - she wrote stories for girls about a girl who reminded her of herself, and gave her the most fun, fabulous twin she could imagine ... a vampire twin.