After discovering that she has a twin sister, Ivy, who is a vampire, Olivia risks losing her when their father decides to move to Europe with Ivy.

Don't miss this fun tween vampire series, featuring regular girl Olivia and goth girl Ivy! Ivy and Olivia can't lose each other again! Even though twin sisters

Don't miss this fun tween vampire series, featuring regular girl Olivia and goth girl Ivy! The secret is out—cheerleader Olivia and vampire Ivy are twins! Now

Don't miss this fun tween vampire series, featuring regular girl Olivia and goth girl Ivy! When Olivia Abbott moves to town, she's excited to join the cheerlead

Don't miss this fun tween vampire series, featuring regular girl Olivia and goth girl Ivy! Olivia is a vegetarian. Ivy is a vampire. And they're twins?!? Ever s