Instruct: Classify a given review into positive or negative sentiment.
Query: Good for armchair reader, useless for actual visit

I wonder if Lynne has ever actually been there. The author spends half a paragraph asking numerous questions you'd like to ask, give you a short answer you can find with park brochure, then refer you to the visitor center to get more information and get map (apparently the author has been to and is familiar with the visitor center). No detail info on any of the trails and tours. I've been to the desert once or twice and I know more about the subject than the author describes in the book.I am also extremely disappointed with Sierra Club Travel Guide. Next time I won't buy their books blindly.