Physical geology : exploring the earth

The dynamic earth : an introduction to physical geology

Earth's dynamic systems

What's inside the earth? an introduction to the earth's interior, crust and mineral resources.

Atlas visual de la tierra

Natural regions of the United States and Canada

The children's atlas of natural wonders

Physical processes of shallow mafic dike emplacement near the San Rafael Swell, Utah

Tell me why

Dictionary of philosophy and psychology, including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education, and giving a terminology in English, French, German, and Italian,