This series looks at the physical world from a scientific, geographical, and historical point of view. Maps, diagrams, experiments, landscape models, and projects help kids understand the concepts of earth science. Step-by- step explanations of basic geographical principles. An invaluable science series for school and home.

This series looks at the physical world from a scientific, geographical, and historical point of view. Maps, diagrams, experiments, landscape models, and projects help kids understand the concepts of earth science. Step-by- step explanations of basic geographical principles. An invaluable science series for school and home.