Katja Dor-Helmer

Help, I Shrunk My Friends

Melanie is a new pupil at the Otto Leonhard High School, and Felix takes a real shine to this newbie, much to the annoyance of Ella and Felix’s gang. They believe that Melanie is responsible for a number of small thefts that have been happening at the school since she arrived. Events take a drastic turn when the class goes on a school trip...

Help, I Shrunk My Parents

Felix's school is haunted again, only this time it's not the benevolent spirit of school founder Otto Leonhard and the nuisance he caused, but the once hated and long-since dead Director Hulda Stingbeard. A coincidence causes the former shrunken and skeletonized school principle to rise again, leading to chaos...

Help, I Shrunk My Teacher

Already having a hard time adjusting at his new school, things take a turn for the bizarre for eleven year old Felix when he accidentally shrinks his strict principal to only fifteen centimetres in height!

The Horse on the Balcony

The discovery of a horse on the balcony of a neighbour’s apartment one winter’s night completely transforms the life of 10-year-old Mika, who embarks on a series of crazy adventures to save the horse before it’s too late.

Lilly the Witch: The Journey to Mandolan

Lilli is traveling to India, to solve a mystery.