n of essays both timeless and timely. It is an exploration of the abiding beauty of some of the last great stretches of American wilderness on voyages down rivers where the body and mind float free, and the grandeur of nature gives rise to meditations on everything from the life of Henry David Thoreau to the militarization of the open range. At the same time, it is an impassioned condemnation of what is being done to our natural heritage in the name of progress, profit, and security. Filled with fiery dawns, wild and shining rivers, and radiant sandstone canyons, it is charged as well with heartfelt, rampageous rage at human greed, blindness, and folly. It is, in short, Edward Abbey at his best, where and when we need him most.