Auzou Book for my advent novel l'immeuble enchanté

Les inséparables 6S - 6 for Six and S for Super buddies - are eagerly waiting for Christmas! But a strange caretaker has just arrived with her mysterious cat... Since then, odd things have been happening... The closer Christmas Eve gets, the more their building seems to come alive! What is this magic? One thing's for sure: the kids are going to have a wonderful Christmas!