Annals of the Former World, by John Mc Phee (HC, 1999, 696 pages, $4) SOLD
"Twenty years ago, when John Mc Phee began his journeys back and forth across the US, he planned to describe a cross-section of North America at about the 40th parallel and, in the process, come to an understanding not only of the science, but of the style of the geologists he traveled with."
Look for this book in the earth science section.