9780395663264 | Houghton Mifflin, October 1, 1996, cover price $27.95 | About this edition: With more than 130 color photographs and 170 drawings, this book shows how to read geological history: plate movements, earthquakes, glaciers, rivers, seas, and other forces that have shaped the earth over millions of years.

9780618164387 | Houghton Mifflin, September 30, 2001, cover price $22.00 | About this edition: Provides information on each geological region of eastern North America, covering such topics as plate movements, glaciers, rivers, seas, and other forces that shaped the area.

9780395663257 | Houghton Mifflin, October 1, 1996, cover price $17.95 | also contains Side by Side | About this edition: A unique guide to land formation offers vivid maps, photographs, and cross-sections showing the distinct field marks of the different formations in each geologic region of eastern North America, explaining how to read and understand geologic history.