"Learn all you can about the German Army and one day you will be a valuable man to your country." These words were spoken to young Alexander Scotland by Major Wade, a British liaison officer in German West Africa in 1904. He never forgot those words. This book covers how much he learnt and how valuable were his services to his country. This young man served in the German Army - at the suggestion of the Germans - for the duration of the Hottentot Rebellion, thereby gaining an intimate knowledge of the organisation and strengths of the German military machine. He grew to know, by close contact, the habits, language and mental outlook of the German soldier. This knowledge was the basis of his achievements in espionage, interrogation and undercover work in two world wars. His reputation led to a strange meeting with Adolf Hitler in 1937, at the home of a mutual friend. His career reached its zenith in 1947 when - as Chief Officer of the War Crimes Investigation Unit, he played a decisive role in bringing Nazi war criminals to justice. Illustrated with black and white photographs.