{ "item_title" : "Backpacker Magazine's Using a GPS", "item_author" : [" Bruce Grubbs "], "item_description" : "Backpacker's Using a GPS: Digital Trip Planning, Recording, and Sharing is a complete guide to the digital mapping revolution including how to do it and how to join it. Plan your trip, record it with GPS, edit and enhance your maps (photos and videos), and share with the world. Include out-in-the-field instructions for using a GPS; how GPS works; basic field techniques; computer-based mapping with GPS; conventional navigation skills, etc. This handy pocket-sized guide is 96 pages, includes two popouts, and incorporates color photos, charts, and illustrations as needed throughout the interior.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/0/76/275/655/0762756551_b.jpg", "price_data" : { "retail_price" : "12.95", "online_price" : "12.95", "our_price" : "12.95", "club_price" : "12.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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