Via Ferrata
Alpentiere Naturführer
Ski touring
WK 45 Defereggental - Villgratental
Safety and risk on rock and ice, volume 1
Photography
German Edition: Avalanches
Alpin-Lehrplan 7 - Mountainbiken
Screw Keeper
Alpine Curriculum 1 - Mountain Hiking Trekking
Alpine Curriculum 6 - Weather and Orientation