Faraway campaign

From descriptions on AbeBooks "Indian Army lances in the high passes. The author of this book, an officer in an Indian Army cavalry regiment, went to war in Europe at the outbreak of hostilities. Soon he found himself returning to the Sub-Continent and a posting far beyond the North-West Frontier to neutral Persia-now modern day Iran-to serve with the 'East Persian Cordon'. Its purpose was to prevent the infiltration of German and Turkish agents-a threat all too real-intent on destabilising British interests in Afghanistan. It was a region also plagued by raiding Mohammedan tribesmen and the…