Petronella and a dark story with a circus. Studing S.

Petronella is not an ordinary witch, but kind and cheerful. And she does not live in any hut in a dark forest, but in a magic house on an apple tree near the mill. In this book, a good little witch Petronell and her friends Luis and Lina are waiting for unusual adventures! A circus came to their town on tour. Lina and Louis met the guys from the troupe and entered the curtains. To their horror, they found that the circus artists were not happy with their lives, the director was sleeping all the time, and the evil magician and magician refuel everyone. Maybe Petronell will be able to help them?