Trau keinem Fuchs auf grüner Heid und keinem Jud auf seinem Eid (English: Trust No Fox on his Green Heath and No Jew on his Oath) is a children’s book written and published in 1936 during the Third Reich in Germany. The children’s book was written by Elvira Bauer, a kindergarten teacher and Nazi supporter, and was illustrated by Philipp Rupprecht, a publisher to the Nazi newspaper Der Stürmer. The book was the first of three children’s books to be published by Julius Streicher, who was later executed for war crimes. The book teaches children, according to the Nazi Party in Germany, what a Jew is and what they look like. Children's books like Trau keinem Fuchs auf grüner Heid und keinem Jud auf seinem Eid were used to educate the youth of Nazi Germany in being a citizen of the Third Reich.