Philosemitism, as Alan T. Levenson explains, is any pro-Jewish or pro-Judaic utterance or act. The German term for this phenomenon appeared in the language at roughly the same time as its more famous counterpart, antisemitism, and its emergence signifies an important, often neglected aspect of German-Jewish encounters. Between Philosemitism and Antisemitism is the first assessment of the non-Jewish defense of Jews, Judaism, and Jewishness from the foundation of the German Reich in 1871 until the ascent of the Nazis in 1932, when befriending Jews became a crime....