Muir Woods: a cool, silent northern California redwood wilderness so tranquil that one could forget it's only a dozen miles from San Francisco.Like any good guidebook, Susan and Phil Frank's Insider's Guides enhance the pleasure of a trip to one of our national parks. But they go far beyond the other guides in several unique ways.Narrated by a friendly and extremely knowledgeable cartoon guide, each Insider's Guide offers a lively, funny tour of a...