My First Summer in the Sierra by John Muir on Free Audio Book Download

Learn about the environmental philosophy of the great John Muir. Muir was an American naturalist, author, and early advocate of preservation of wilderness in the United States. He helped to preserve the Yosemite Valley and he founded the Sierra Club. He wrote a number of books on his environmental experiences, and his most popular is My First Summer in the Sierra. In this book, he describes his spiritual awakening amid the mountains and valleys of central California. Like Henry David Thoreau's Walden, My First Summer in the Sierra is a seminal text in the literature of the American environment. This free audio book can be downloaded on Librivox.