Each "Eyewitness Visual Dictionary" provides access to a 3000-word specialist vocabulary, actually showing what a word means by using photographs and illustrations. "The Visual Dictionary of the Earth" contains models and artworks showing the building blocks of this planet and pictorially describing the earth's fascinating solar system. Contents include: earth movements; atmosphere and climate; rocks and minerals; volcanoes; nutrient cycles; oceans and seas; glaciers; mountains; forests; deserts; human influences; geological clock.