James Richardson 
Travels in the Great Desert [PDF ebook] 
Incl. a Description of the Oases and Cities of Ghet Ghadames and Mourzuk

First published in 1970. Part of a collection on African Studies, this text is a narrative of the personal adventures of the author during a tour of nine months through the desert, amongst the Touaricks and other tribes of the Saharan people and includes a description of the oases and cities of Ghat, Ghadames and Mourzuk. This is Volume I of two.