Geosystems: An Introduction to Physical Geography Plus MasteringGeography with eText -- Access Card

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Robert W. Christopherson is Professor Emeritus of Geography, having taught 30 years at American River College, and is the author of the leading physical geography texts in the US and Canada.

He attended Cal State University-Chico, and Miami University, Oxford, Ohio.  His first textbook was published in 1992.  His textbooks have received several national textbook awards. Also, he was recognized for excellence in teaching with the 1999 “Distinguished Teaching Achievement Award” from the National Council for Geographic Education and the “Outstanding Educator Award” from the California Geographical Society. He was selected by American River College students as "Teacher of the Year" and received the “ARC Patrons Award” for teaching.   In 2009 he was elected to the Textbook and Authors Association prestigious Council of Fellows. He has spoken across the US and Canada to hundreds of colleges, groups, and at professional meetings. Robert was a key member of the Editorial Board for Goode's World Atlas, 22/E, published by Rand McNally.

Robert and his nature photographer wife, Bobbé Christopherson, completed eleven scientific expeditions to the Arctic and Antarctic regions since 2003. They returned May 2 from Antarctica and an expedition northward across the Atlantic Ocean to Cape Verde Islands off the coast of Africa. On these trips they gather materials for Christopherson's physical geography textbooks.