Examines the Earth's geologic history, climate, vegetation, population, food, economies, and mineral resources, and offers physical, political, and subject maps of each continent.
Traces the history of sea charts and the methods and devices used to survey the ocean. Includes chapters on tracking ocean currents and drifting icebergs.
Contains maps, charts and graphs, photographs, flags, and facts that provide a wide range of information about the continents and countries of the world.