Sink your teeth into Olivia and Ivy’s seventeenth fright-time adventure!   Olivia Abbott is used to vampires . . . After all, her twin sister Ivy is one! But she’s never believed in ghosts. That all changes at the Café Creative Halloween party, when Olivia meets a beautiful girl who’s dressed in a strange red gown and behaving super spookily! Ivy isn’t convinced . . . until she learns the legend of the tragic Calhoun sisters, who died over 100 years ago. Could Franklin Grove be haunted? One thing’s for certain – the twins are in for their spookiest Halloween ever!