Cass Sunstein "Radicals in Robes: Why Extreme Right-Wing Courts Are Wrong for America" (2005), "Are Judges Political? An Empirical Analysis of the Federal Judiciary" (2005), "Infotopia: How Many Minds Produce Knowledge" (2006), and, co-authored with Richard Thaler, "Nudge: Improving Decisions about Health, Wealth, and Happiness" (2008). Sunstein's 2006 book, "Infotopia: How Many Minds Produce Knowledge", explores methods for aggregating information; it contains discussions of prediction markets, open-source software, and wikis. Sunstein's 2004 book, "The Second Bill of Rights: FDR's Unfinished Revolution and Why We Need It More than Ever", advocates the Second Bill of Rights proposed by Franklin D. Roosevelt. Among these
Thaler thousands of dollars, and are highly sought after by serious collectors of thalers. Few circulated in any real sense so they often remain in well-preserved condition. In the Holy Roman Empire, the thaler was used as the standard against which the various states' currencies could be valued. One standard also adopted by Prussia was the Reichsthaler, which contained of a Cologne mark of silver. In 1754, the Conventionsthaler was introduced, containing of a Cologne mark of silver. In 1837, the Prussian thaler became part of a currency union which set the value of the southern German gulden at per thaler.