From a towering tree, one of California's preeminent naturalists unspools a history that echoes across generations and continents. Former park ranger William C. Tweed takes readers on a tour of the Big Trees in a narrative that travels deep into the Sierras, around the West, and all the way to New Zealand; and in doing so he explores the American public's evolving relationship with sequoias. It comes as no surprise that the groves in Yosemite and...