In clear, concise language the author lines up each stereotype that the PME (professional managerial elites – defined for purposes of the book as college educated, top-20% earners) have about the White Working Class (defined for purposes of the book as whites earning more than the lower 30% and less than the top 20%–the 50% in the middle), and then breaks them down.  She points out the differences in the economic, social, and cultural contexts that make the positions of the two groups seem so at odds.  And also talks about what can bridge the divide.