CHAPTER I: THE THEATRE OF WAR
All along the north and north-west frontiers of India lie the Himalayas, the greatest disturbance of the earth's surface that the convulsions of chaotic periods have produced. Nearly four hundred miles in breadth and more than sixteen hundred in length, this mountainous region divides the great plains of the south from those of Central Asia, and parts as a channel separates opposing shores, the Eastern Empire of Great Britain from that of Russia. The western end of this tumult of ground is formed by the peaks of the Hindu Kush, to the south of which is the scene of the story these pages contain. The Himalayas are not a line, but a great country of mountains. By one who stands on some lofty pass or commanding point in Dir, Swat or Bajaur, range after range is seen as the long surges of an Atlantic swell, and in the distance some glittering snow peak suggests a white-crested roller, higher than the rest. The drenching rains which fall each year have washed the soil from the sides of the hills until they have become strangely grooved by numberless water-courses, and the black primeval rock is everywhere exposed. The silt and sediment have filled the valleys which lie between, and made their surface sandy, level and broad. Again the rain has cut wide, deep and constantly-changing channels through this soft deposit; great gutters, which are sometimes seventy feet deep and two or three hundred yards across. These are the nullahs.