Dream Hoarders - How the American Upper Middle Class Is Leaving Everyone Else in the Dust, Why That
                                
                                
                             
                            
                         
                            
                            
                        The most important, consequential, and widening gap in American society is between the upper middle class and everyone else. Reeves defines the upper middle class as those whose incomes are in the top 20% of American society. As Reeves shows, the growing separation between the upper middle class and everyone else can be seen in family structure, neighborhoods, attitudes, and lifestyle.