The story of Islam

Close to the focus of three great continents, where East meets West and North meets South, Asia almost touching both Africa and Europe, lies the great unknown country of Arabia, the 'Land of the Desert.'
The long, low coast-line of its western shore is familiar enough to all who travel to the East. About seventy miles behind that coast lies a wild chain of desert mountains. Here, in a valley snuggling among massive peaks, is an Arab town, a kind of mountain fastness, lying in an amphitheatre...