Christopher Ailsby, a specialist in the history of the Third Reich, explores one of the remarkable aspects of the Second World War - the participation of approximately two million foreign volunteers in the fighting on the side of Hitler's army. Each chapter of the book focuses on a different national or ethnic group that contributed manpower to the German war machine. The author talks about methods of recruitment, ideological processing and training of recruits conscripted into parts of the Wehrmacht or SS troops. Examines the reasons that forced them to fight on the side of Nazi Germany. The book is equipped with maps and photographic materials.