"Originally titled For the Sake of Heaven, Gog and Magog is a fictional religious chronicle in which the heroes are Hasidic rabbis. The setting for the novel is Poland and Hungary during the Napoleonic wars at the end of the eighteenth century. Although magic and superstition play their parts in the story, it is really Martin Buber's effort to articulate two approaches to the question: May men use evil to accomplish good? May men take power into their...