This is a funny, super-girly story with a vampire bite to it. Sink your teeth into Olivia and Ivy's twelfth fright-time adventure. 'We're on a mission'! Ivy and Olivia are together again - and not a moment too soon. The whole vampire community is in a flap. Can the twins discover the identity of the mystery blogger who's determined to expose Franklin Grove's biggest secret? Hold on to your fangs, vamp fans. It's time to go undercover! This is a killer story to sink your teeth into.