Schellen-Ursli picture book

The Engadine picture book tells the story of Schellen-Ursli and his search for the largest cowbell so that he can lead the parade of the spring festival "Chalandamarz" and drive out winter. He retrieves the cowbell from his parents' alpine hut without their knowledge and spends a lonely night there. On his way to the hut, he experiences various adventures in the mountains. Since Schellen-Ursli does not come home to sleep as usual, his parents become very worried. What happens next?