"For thousands of years, the Great Wall of China has stretched across China's Northern provinces. It winds like a giant, sleeping dragon from the Pacific coast in the east to the Gobi Desert in the west. But it's not the only wall in China. Learn abou the buidling techniques used, the empires who constructed them, and what their pruposes were over the centuries in this informative book. Put your walking shoes on and get ready to explore all the interesting facts and wonders of the Great Wall of China!"--Provided by publisher.