Publisher:Washington, D.C. : National Geographic, 2009.
General Note: Includes index.
Formatted Contents Note: The medieval worldview : 400-1500 -- The end of an empire : 400-500 -- The post-Roman landscape : 500-600 -- A new world religion : 600-700 -- Charlemagne's century : 700-800 -- A world divided : 800-900 -- The millennium approaches : 900-1000 -- Postmillenial changes : 1000-1100 -- Cultures clash : 1100-1200 -- The rise of commerce : 1200-1300 -- Out of the ashes : 1300-1400 -- The dawn of a new age : 1400-1500.