"Richistan" by Robert Frank is a book that explores the world of the ultra-rich in America. The book takes a close look at the lives of the wealthiest people in the country and how their lifestyles, values, and priorities differ from those of the middle and lower classes. Through interviews with billionaires, multi-millionaires, and their advisors, Frank provides insight into the ways in which the super-rich accumulate and spend their wealth, from private jets and yachts to philanthropic giving and political donations. "Richistan" also explores the social and cultural impact of extreme wealth, from the rise of luxury goods and services to the increasing gap between the rich and the poor. With its entertaining anecdotes and eye-opening statistics, "Richistan" offers a fascinating glimpse into the world of the elite.