{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["BDD Promotional Books Company"], "type": {"key": "/type/edition"}, "number_of_pages": 256, "id": 10609346, "isbn_13": ["9780792453307"], "isbn_10": ["0792453301"], "publish_date": "August 1991", "key": "/b/OL7811071M", "authors": [{"key": "/a/OL2757996A"}], "title": "Pictorial Atlas of North American National Parks", "contributions": ["W. J. Yenne (Editor)"], "subjects": ["United States", "Parks & Campgrounds", "Travel - General", "Canada", "National parks and reserves", "Pictorial works", "Bargain Books"], "revision": 1}