In this masterful tour de force of nature writing, Kenneth Brown explores one of the most awe-inspiring regions on earth -- the Four Corners of Colorado, Utah, Arizona and New Mexico. Weaving together its geological, ecological and human histories, he presents a unique portrait of this ruggedly beautiful landscape that goes beyond mere description to give readers a true sense of the land in all its richness. Here are rock croppings that are 2 billion years old and broad desert valleys where rivers of lava cooled to form floors of solid rock. Here ancient hunter-gatherers stalked the woolly...