'Open Veins of Latin America' by Eduardo Galeano traces the continent's problems to Western imperialism and exploitation of its resources. Overnight, the book is the No. 2 bestseller on Amazon. The book that Venezuelan President Hugo Chavez gave his U.S. counterpart, Barack Obama, has long been regarded as a bible for the Latin American left, found on the bookshelves and university reading lists of a generation of students in the region.