In 2008, an international team of climbers discovered a large collection of Tibetan manuscripts in a cave complex called Mardzong, in Nepal’s remote Mustang district. The following year, the entire cache—over five thousand folios from some sixty different works of the Buddhist and Bön religions, some more than seven centuries old—were removed to the safe keeping of a monastery, where they were later examined by experts from different disciplines. This book is the result of their findings. The authors present what they have been able to discover about the content of these manuscripts,...