This book is an account of the Jesuits who entered Tibet, then known as the Roof of the World. Surrounded by high inhospitable mountains, an Arctic climate and absolutely forlorn and bleak, outsiders were ruthlessly turned back by the sparse inhabitants after the Chinese domination. However they allowed some Jesuit missionaries to explore the country. Fortunately the missionaries recorded their experiences and the writer had access to some of these books of which only a few copies?are?known?to?exist. About the Author Cornelius Wessels (188-1964) was a Dutch Jesuit known for his his­torical works on the early Catholic missions in Central Asia, especially Tibet?and?the?East?Indies. \n