White Trash--The 400 Year Old Untold History of Class in America by Nancy Isenberg is a social history of the American underclass. It is anecdotal, beginning with the colonial era when the British powered up the first contemptuous class stereotypes. Rising inequality over the years has exacerbated the negative attitudes about working class and poor people of all colors. It really shows the divide between the founding principles of the USA and the reality for many.