2004. 974-8304-39-6 (Paperback) (Hardback) Tibet's Ancient Religion: Bön. Weatherhill and Orchid Press, 2002. (Asia & Europe), (Americas) As co-editor with Mirko Novák: Urban Cultures of Central Asia from the Bronze Age to the Karakhanids. Harrassowitz, Wiesbaden, 2019. References External links The Society for the Exploration of EurAsia 1952 births Living people People from Zürich Swiss explorers Swiss photographers Swiss non-fiction writers Swiss male writers Explorers of Tibet Male non-fiction writers Swiss historians