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? 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! A killer story to sink your teeth into!