My First Summer in the Sierra is the incredible true story of John Muirs iconic time spent working in the California mountain range of the Sierra Nevadas. In this republished edition read about his experience that shaped so much of environmental stewardship today. In the summer of 1869 a young John Muir joined a crew of shepherds working in the foothills of Californias Sierra Nevada mountains. Spending countless hours working with the group Muir also worked tirelessly to advocate for the lands protection. His efforts eventually transpired into the founding of Yosemite Valley as a national park a landmark event in the history of United States environmentalism. A glimpse into Muirs private journals My First Summer in the Sierra is the remarkable retelling of his time there. Full of humorous anecdotes and insightful prose John Muir personal narrative will likely inspire you to pack up your belongings and head for the mountains.