This program has been designed to parallel and complement the textbook, Plate Tectonics and Crustal Evolution , but it can be used alone by anyone who is interested in learning more about the subject. Like a book, the program has what could be best described as chapters, accompanied by a position gauge that can take you to any position in the program with the click of the mouse. The areas this program touches on include: Plate tectonics The Earth s crust Tectonic settings The Earth s mantle and core Each chapter contains an outline and a review with an interactive Q&A. It also contains a glossary. This download is a demonstration only. To obtain the software, please visit the creator s Web site.