The Most (Un) Boring School in the World: Witching Hour (vol. 6)

Rules can make every school a very boring environment. Max’s school is no exception. But in this volume, Max's school is different than other school. It’s haunted. First a headless ghost wreaks havoc, then even a slime monster rampages through the corridors. The class is thrilled - except for the headteacher who wants to close the school and wants the children to go to the nerd school. Max and Frieda have to prevent this at all costs ...