{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "15.7 ounces", "publishers": ["Instructional Fair"], "number_of_pages": 160, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "id": 16028758, "isbn_13": ["9781568224367"], "isbn_10": ["1568224362"], "publish_date": "January 29, 1999", "key": "/b/OL12170301M", "authors": [{"key": "/a/OL2850023A"}], "title": "Geography of the United States", "type": {"key": "/type/edition"}, "subjects": ["Education", "Education / Teaching", "Earth Sciences - Geography", "Teaching Methods & Materials - Social Science", "United States - General", "Juvenile Nonfiction / Social Science / General"], "physical_dimensions": "10.9 x 8.5 x 0.4 inches", "revision": 1}