An instant New York Times and Wall Street Journal bestseller from one of the world?s leading economists: this "magisterial history" offers a grand narrative of the century that made us richer than ever, but left us unsatisfied (Paul Krugman)Before 1870, humanity lived in dire poverty, with a slow crawl of invention offset by a growing population. Then came a great shift: invention sprinted forward, doubling our technological capabilities each generation and utterly transforming the economy again...