Written by Hendrick Smith, this book describes the consolidation of wealth in the United States, and the dismantling of the middle class.

Dark Money: The Hidden History of the Billionaires Behind the Rise of the Radical Right is a non-fiction book written by the American investigative journalist Jane Mayer, about a network of extremely wealthy conservative Republicans, foremost among them Charles and David Koch, who have together funded an array of organizations that work in tandem to influence academic institutions, think tanks, the courts, statehouses, Congress, and the American presidency for their own benefit.