Writer
The Sun: Inferno in the Sky
2018 · Writer
Der Mond - Unser Tor ins All
2017 · Writer
Secrets of the Nazi Treasure
2015 · Writer
Salzburg - In the Shadow of the Crags
2006 · Writer
Wachau - Valley of Golden Magic
2005 · Writer
Glockner - The Black Mountain
2000 · Writer
St. Stephen's: The Living Cathedral
1997 · Writer
