David Bell emphasizes the astonishing sense of human possibility―for both good and ill―that Napoleon represented. By his late twenties, Napoleon was already one of the greatest generals in European history. At thirty, he had become absolute master of Europe's most powerful country. In his early forties, he ruled a European empire more powerful than any since Rome, fighting wars that changed the shape of the continent and brought death to millions. Then everything collapsed, leading him to spend his last years in miserable exile in the South Atlantic.