1.Americas Busy Cities 2.Sundays in New York 3.The Stone Figures of Easter Island 4.Flying Objects 5.Great Zimbabwe 6.Dairying in New Zealand 7.The Eskimos 8.Fishing in Canada 9.The Oases and Their People 10.How Sugar Came to the West 11.Life in a Tropical Rain Forest 12.The Man with a Noisy Hobby 13.How Come the Rainbow? 14.Mars―A Favourite Planet 15.Knives, Spoons, and Forks · · · · · · (收起)