The Grand Canyon, available again in paperback, shows the elements of color, contour, and immensity of the Grand Canyon. Stewart Aitchison details the area's biology and geology, taking readers from the Sonoran-type desert at the bottom of the Grand Canyon to alpine tundra at the summit of the nearby San Francisco Peaks.Aitchison details the area's natural and human history, and also introduces readers to the variety of plant and animal communities that reside there. Previously published as A Wilderness Called Grand Canyon.