"LET ME TELL YOU ABOUT THE VERY RICH. THEY ARE DIFFERENT FROM YOU AND ME..."
This is the story of the most powerful family in America. The story of the man who made the money. the son who tried to make it clean, and the daughter who soiled i. the five brothers who used it for their own very personal ends. the new generation who have either reveled in being Rockefellers or radically rebelled. the myths, the rumors, the scandals, and, above all, the endlessly enthralling, often shocking truth as it has emerged from heretofore secret family sources.

It kind of surprised me - I picked this 700-page volume up, worked around my job and had it read in a week. Still occasionally quote things from it at people.
One of the interesting things about this Biography of a Dynasty is how the different generations saw the money and reacted to both it and the restrictions that go with lots of money. (