Frozen Dawn: A Neanderthal's Redemption Omnibus Trilogy

The notorious Nazi scientist Dieter Klein and his reluctant assistant Xaver find a caveman specimen within the wasteland of Antartica and bring it back to Nazi Germany. Thinking that Dieter could use the caveman to his advantage against the Jewish prisoners of a concentration camp, he introduces the caveman to them, only for the caveman to adopt the ways of the Jewish prisoners.