Book excerpt: This easy-to-use, easy-to-learn-from laboratory manual for physical geology employs an interactive question-and-answer format that engages the student right from the start of each exercise. Tom Freeman, an award-winning teacher with 30 years experience, takes a developmental approach to learning that emphasizes principles over rote memorization. His writing style is clear and inviting, and he includes scores of helpful hints to coach students as they tackle problems. The Third Edition of this loose-leaf manual features brand new exercises, data, and graphics. All new exercises have been field-tested and they contain more real world examples and Web links. The instructor's guide has been expanded and provides more information on current changes in the field.