Marshak, Stephen. Earth : portrait of a planet / Stephen Marshak. - Second edition - New York : W. W. Norton & Company, 2005. - xx, 748 pages. : colored, illustrations ; 28 centimeter. Includes index. ISBN: 0393925021 Subjects--Topical Terms: Geology.--Textbooks. Dewey Class. No.: FOR 550 M37e 2005