A description of Earth, the third planet from the sun, which includes information on its origins, composition, and unique characteristics.

Rev. ed. of: Our planet earth. Rev. and updated ed. 1995.

Earth's beginning -- Earth takes shape -- Constantly changing Earth -- Mountains and earthquakes -- Volcanoes -- Earth's active atmosphere -- Earth's magnetic attraction -- Understanding our world through others -- Earth-- a very special world -- Our fragile planet -- The worlds beyond -- Terraforming other worlds -- Fact file: our special home-- Earth.