{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "4 ounces", "publishers": ["Weigl Publishers"], "number_of_pages": 32, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12569530, "isbn_13": ["9781590361610"], "isbn_10": ["159036161X"], "publish_date": "July 29, 2000", "key": "/b/OL9316630M", "authors": [{"key": "/a/OL1477081A"}], "title": "The Grand Canyon (Natural Wonders)", "type": {"key": "/type/edition"}, "subjects": ["Science & Nature - Earth Sciences", "People & Places - United States", "Juvenile Nonfiction", "Children: Grades 4-6"], "physical_dimensions": "9.9 x 7.7 x 0.1 inches", "revision": 1}