In Moorish Captivity: An Account Of The Tourmaline Expedition To Sus, 1897-98 is a historical book written by Henry M. Grey. The book recounts the journey of the Tourmaline Expedition, which was sent by the British government to explore the region of Sus in Morocco in 1897-98. The expedition was led by a British officer, Lieutenant Colonel Henry M. Grey, who was accompanied by a team of soldiers, scientists, and explorers.The book provides a detailed...