RARE monograph on German Jews in the First World War by Felix Aaron Theilhaber (1884-1956), an influential writer, physician and Zionist. 240x160mm. 60 pages [+4]. Softcover. Cover wrinkled, browning and age-stained. Cover corners and edges worn/tattered. Cover partly loose from binding. About a quarter of rear cover missing from its bottom part. Spine tattered and partly missing. Few pages slightly age-stained. Pages yellowing and rough-cut as published. [SUMMARY]: This extremely rare book, of interest to historians of both WW1 and German Jewry, is otherwise in good condition.