of London, during which he made finds north of Qiemo from the Neolithic Age (4th – 3rd millennium B.C.). In 2007, he led the Fourth International Taklamakan Expedition into unexplored regions of the Lop Nor Desert. There he discovered, among others, a heretofore-unknown settlement, dating from approximately 100 B.C. – 400 A.D. In 2009, he led the Fifth International Taklamakan Expedition into the unexplored ancient delta of the River Keriya in the centre of the desert, and discovered two unknown graveyards: Satma Mazar (Iron Age) and Ayala Mazar (Bronze Age). Other explorations Further expeditions took Baumer to southern Tibet in 1996, where he rediscovered in the former monastery Sekar Guthok forgotten murals from the 13th century; and in 1997 again to southern Tibet, where he discovered in the Pa-Lha-Puk Monastery the oldest existing murals of the Bön religion - from the early 15th century - in all of Tibet. In the years 2000 to 2005 he researched and documented most of the relevant cultural monuments of the Assyrian Church of the East, from southeastern Turkey till Mongolia, China and southern India. In the years 1993, 2006 and 2007 he visited and documented all Buddhist monasteries of Mount Wutai Shan, northwestern China. From 2013 to 2019 he explored on six journeys the Caucasus region in view of a forthcoming publication on the history of the Caucasus. Bibliography History of the Caucasus (Volume Two): The Long Way to Independence. I.B. Tauris, London, 2023. History of the Caucasus (Volume One): At the Crossroads of Empires. I.B. Tauris, London, 2021. The History of Central Asia (Volume Four): The Age of Decline and Revival. I.B. Tauris, London, 2018. The History of Central Asia (Volume Three): The Age of Islam and the Mongols. I.B. Tauris, London, 2016. The History of central Asia (Volume Two): The Age of the Silk Roads. I.B. Tauris, London 2014. The History of Central Asia (Volume One): The Age of the Steppe Warriors. I.B. Tauris, London, 2012. China's Holy Mountain: An Illustrated Journey into the Heart of Buddhism. I.B. Tauris, London, 2011. The Church of the East: An illustrated History of Assyrian Christianity. I.B. Tauris, London, 2006, revised 2016. Traces in the Desert: Journeys of Discovery across Central Asia. I.B.Tauris, London, 2008. Eastern Tibet: Bridging Tibet and China. Co-author Therese Weber. Orchid Press, 2005. Southern Silk Road: In the Footsteps of Sir Aurel Stein and Sven Hedin. 2nd revised edition, Orchid Press,