books.google.fr - In the universally acclaimed and award-winning The Bottom Billion, Paul Collier reveals that fifty failed states--home to the poorest one billion people on Earth--pose the central challenge of the developing world in the twenty-first century. The book shines much-needed light on this group of small nations,...https://books.google.fr/books/about/The_Bottom_Billion.html?id=xyKIteKMNXUC&utm_source=gb-gplus-shareThe Bottom Billion