The third book in the new comedic adventure series from the creators of Penny Pepper: text by Ulrike Rylance and two-tone illustrations by Lisa Hans. There is turmoil at the witches' hotel: The famous vampire band The Blood Slicks is arriving in the human world for a one-time concert. They are even set to stay overnight at the Purple Bat! A crowd of fans and TV channels follow the band members. But just before the big performance, a terrifying storm breaks out, and suddenly everyone is trapped inside the hotel. No one can get out! Rosalie and her friend Clara desperately search for a way out…