Marshak, Stephen. Earth : portrait of a planet / Stephen Marshak, University of Illinois. - Sixth edition. - New York : W.W. Norton & Company, Inc., 2019. - xxviii, 913 pages [and other various pages] : illustrations. Includes index. ISBN: 9780393640311 Subjects--Topical Terms: Geology--Textbooks. LC Class. No.: QE 26 .3 / MAR 2019.