The Empreror of All Maladies [0] Guns Germs and Steel [1] The Price of Inequality [2] Inventing Money [3]
1: http://www.goodreads.com/book/show/1842.Guns_Germs_and_Steel
2: http://www.goodreads.com/book/show/13698866-the-price-of-ine...
3: http://www.goodreads.com/book/show/249231.Inventing_Money