DOUGHTY, Charles M.
Wanderings in Arabia
Being an abridgement of “Travels in Arabia Deserta”. London : Duckworth and Co., 1923 (reprint). Two volumes, octavo, green cloth (lightly flecked), gilt-lettered spines, pp. xii; 309; x; 297, folding map, a very good set.
One of the key twentieth century works on the Arabian Peninsula, including Mecca and the Haj.