Amazon.com description: Product Description: Geodiscoveries, an interactive multimedia CD-ROM, is designed to accompany Skinner and Porter’s The Dynamic Earth: An Introduction to Physical Geology, 5^th Edition. It reinforces and illustrates key concepts from the text, and helps students prepare for tests and improve their grades. This CD also features a Virtual Petroscope containing a library of images, tools, and resources designed to stimulate the real-world process of identifying rock specimens.

The authoritative and best-selling physical geology text, The Dynamic Earth: An Introduction to Physical Geology, continues to emphasize the theme of dynamic change to our environment, landscapes, climate, and resources. This new Fifth Edition introduces plate tectonics and the Earth system early in the text, giving students a sense of how earth processes and systems are interrelated. Both plate tectonics and the Earth system are revisited in a boxed section at the end of each chapter. Featuring stunning new art, the Fifth Edition is also completely current, with the latest advances in the field presented in an accessible, student-friendly style. Instructors who adopt the text will have access to an electronic image bank that includes all line art from the book, numerous animations, and hundreds of photographs.