Daniel Half Human by David Chotjewitz

Daniel and Armin are best friends. They are from well-to-do families and enjoy football and school. But they also admire Hitler as an underdog and revolutionary hero. The boys talk about joining the Hitler Youth - until Daniel learns to his horror that his mother is Jewish, that he is himself half-Jewish and therefore, in Aryan eyes, half human. So Daniel attempts to keep this fearsome secret to himself ...