International trade has shaped the modern world, yet until now no single book has been available for both economists and general readers that traces the history

"Spufford cunningly maps out a literary genre of his own . . . Freewheeling and fabulous." —The Times (London) Strange as it may seem, the gray, oppressive US

Burke and Halbert present the scientific evidence behind their startling, original theory: ancient peoples constructed temples, mounds, and megaliths to increas