Amazon.com description: Product Description: For Introductory courses in Physical or Introductory Geology found in departments of Geology, Earth Science, or Physical Science. Significantly revised to be an optimum learning tool, the Tenth Edition of Earth's Dynamic Systems maintains its solid coverage of the two major energy systems of Earth: the plate tectonic system and the hydrologic cycle. Boasting a new, highly accessible four-part organization, this renowned text fulfills the needs of professors with current content and a striking illustration package, while exposing students to the global view of Earth and teaching them to look at the world as geologists do.