NOTE: Books a la Carte are unbound, three-hole-punch versions of the textbook. This lower cost option is easy to transport and comes with same access code or media that would be packaged with the bound book.

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Among the most highly regarded in physical geography, Robert Christopherson’s bestselling texts are known for their meticulous attention to detail, currency, accuracy, and rich integration of climate change science. Geosystems: An Introduction to Physical Geography, Ninth Edition is uniquely organized to present Earth systems topics as they naturally occur: atmosphere, hydrosphere, lithosphere and biosphere. This interconnected and organic systems-based approach is highlighted in the strong pedagogical tools, structured learning path, and up-to-date information found in the text. This new edition presents bold new features that cultivate an active learning environment both in and outside the classroom.The Ninth Edition is available with MasteringGeography™ , the most effective and widely used online tutorial, homework, and assessment system for the sciences.

This program will provide an interactive and engaging learning experience for you. Here’s how:

• Personalize learning with MasteringGeography: MasteringGeography provides students with engaging and interactive experiences that coach them through introductory physical geography with specific wrong-answer feedback, hints, and a wide variety of educationally effective content.
• Leverage strong pedagogical tools and a structured active learning path: The text reinforces central hallmark physical geography themes of Earth systems, human-Earth relations, and global climate change by providing a consistent framework for mastering chapter concepts. 
• Teach with current and relevant content. An emphasis on currency provides you with compelling reasons for learning physical geography.