This textbook investigates the fundamental principles of geology and their application to understanding Earth's history. Wicander and Monroe provide a comprehensive overview of Earth's geological and biological evolution, emphasizing the interconnectedness of events that have shaped the planet. The authors detail the historical development of key geological principles and processes, demonstrating their significance in deciphering Earth's past. The narrative is unified by three central themes: time, evolutionary theory, and plate tectonics, which are integrated to enhance student comprehension.

This textbook is designed to teach students basic geologic principles and how they are used to unravel Earth's history. It presents a balanced view of both the geological and biological history of Earth, emphasizing the continuum of inter-related events that have shaped the planet. The authors also explain the historical development of these basic principles and processes and their importance in deciphering Earth history. Three major themes—time, evolutionary theory, and plate tectonics—are woven throughout the book to help students link essential material and enhance their understanding.