Why would a smart New York investment banker pay twelve million dollars for the decaying stuffed carcass of a shark? By what alchemy does Jackson Pollocks drip painting No.5 1948 sell for $140 million? The $12 Million Dollar Stuffed Shark is the first book to look at the economics of the modern art world & the marketing strategies that power the market to produce such astronomical prices. Don Thompson talks to auction houses dealers & collectors to find out the source of Charles Saatchis Midas touch & how far a gallery like White Cube has contributed to Damien Hirst becoming one of the highest-earning artists in the world.