During one of his long mountain walks Peter discover some mysterious footprints. Has the abominable snowman possibly returned? Also, who has left anonymous letters in an elderly couple’s cabin? And why is Peter’s friend Vinzenz behaving in such a strange way? Peter then solves the mystery and at the same time foils a dangerous plot.

Dossiers:
Südtirol und das Schnalstal
Schneemenschen?
Die Schwabenkinder
Gletscher