"In June of 1889 in San Francisco, John Muir-iconic environmentalist, writer, and philosopher-meets face-to-face for the first time with his longtime editor Robert Underwood Johnson, an elegant and influential figure at The Century magazine. Before long, the pair, opposites in many ways, decide to venture to Yosemite Valley, the magnificent site where twenty years earlier, Muir experienced a personal and spiritual awakening that would set the course...