The Light of Learning tells the story of an unexpected Hasidic revival in Poland on the eve of the Holocaust. In the aftermath of World War I, the Jewish mystical movement appeared to be in shambles. Hasidic leaders had dispersed, Hasidic courts lay in ruins, and the youth seemed swept up in secularist trends as a result of mandatory public schooling and new Jewish movements like Zionism and Socialism. Author Glenn Dynner shows that in response to...