Text in German. Second edition. 352, 8pp, with numerous black and white illustrations in text. Oatmeal cloth-covered boards with red and black lettering on upper panel and spine. Upper text block edge sprayed deep red. 8vo. Cloth is a little worn, gently rubbed and rounded at corners and spine end, slightly sunned over spine. Hint of toning to first and last few pages and gutter cracked ahead of title page else internally neat and clean. A deeply Anti-Semitic treatise by the German physician and eugenicist Hans Gunther whose racial theories strongly influenced the prevalent ideology of Nazi German and the Third Reich. The book includes many photographic illustrations of supposed facial characteristics and alleges Arryan superiority.