There are hundreds of thousands of books published in the United States every year. And there have to be at least as many reviews. Some are of some signficance, most not. But sometimes a book review is momentus. Like a book, or a article, or a poem or a song -- it can signal a shift in culture and politics, and in perhaps, historic outcomes. Since the days of Watergate, John W. Dean has become an important and independent voice for the integrity of the law and the constitution of the United States.  Thus it is an important event in the history of contending with the religious right, that Dean highly recommend's Michelle Goldberg's book, Kingdom Coming: The Rise of Christian Nationalism.  

It is rare that a mere book review is an event, but I think this is an event. Dean adds gravitas to the matter and he clearly grasps and soberly presents the stakes in terms of his his sense of the  short and long term implications for the law and the courts.