Welcome to the website for Understanding Earth, fourth edition by Frank Press, Raymond Siever, John Grotzinger and Thomas H. Jordan. Understanding Earth, fourth edition, is the first step in a reconceptualization of the text reflective of the fundamental ways the field has changed in the past several years. For more information on the new fourth edition, as well as sample chapters of the text, please click here.

If you are an instructor and would like more information about what is available to you, please visit our instructor preview page.

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