Trespassers on the Roof of the World: The Secret Exploration of Tibet

For nineteenth-century adventures, Tibet was the prize destination, and Lhasa, its capital situated nearly three miles above sea level, was the grandest trophy of all. The lure of this mysterious land, and its strategic importance, made it inevitable that despite the Tibetans' reluctance to end their isolation, determined travelers from Victorian Britain, Czarist Russia, America, and a half dozen other countries world try to breach the country's high walls.

In this riveting narrative, Peter...