To understand timely issues such as natural disasters and environmental challenges-- and to evaluate solutions to related problems-- the average citizen needs a basic awareness of the scientific principles that influence our planet. This trusted book makes an often-complex subject accessible to readers with a strong focus on readability and illustrations. Offers a meaningful, non-technical survey that is informative and up to date for learning basic principles and concepts. Includes a revised and expanded GEODe Earth CD-ROM. Updates and revises art and illustrations to include dozens of new high-quality, photographs carefully selected to aid understanding and add realism. Provides a wealth of new special-interest boxes, including "Earth as a System," "People and the Environment," and "Understanding Earth." A useful reference for anyone interested in learning more about Earth's geology.Tarbuck, Edward J. is the author of 'Earth An Introduction to Physical Geology', published 2004 under ISBN 9780131148659 and ISBN 0131148656.