01567cam a2200229 4500 503764522 TxAuBib 20110914120000.0 101022s2011||||||||||||||||||||||||eng|u 9780763649487 0763649481 TxAuBib Ross, Stewart. Into the unknown : how great explorers found their way by land, sea, and air / Stewart Ross ; illustrated by Stephen Biesty. Somerville, Mass : Candlewick Press, 2011. 82 p. : ill., maps. Fourteen amazing journeys: 340 BC Pytheas the Greek sails to the Arctic Circle -- AD 1003 Leif Eriksson reaches the coast of America -- 1271-1274 Marco Polo rides the Silk Road to China -- 1405-1407 Admiral Zheng He crosses the Indian Ocean -- 1492 Christopher Columbus sails to the Caribbean -- 1519-1522 Ferdinand Magellan's fleet circumnavigates the world -- 1768-1771 Captain Cook maps the Pacific Ocean -- 1858-1864 David Livingstone explores the Zambezi River -- 1895 Mary Kingsley travels alone in West Africa -- 1928 Umberto Nobile flies over the North Pole -- 1932 Auguste Piccard ascends into the stratosphere -- 1960 Jacques Piccard dives to the Challenger Deep -- 1953 Edmund Hillary & Tenzing Norgay climb Everest -- 1969 Neil Armstrong & Buzz Aldrin land on the moon. 20110914. Explorers Juvenile literature. Discoveries in geography. Biesty, Stephen, illustrator.