{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Wadsworth"], "number_of_pages": 688, "id": 12624411, "isbn_13": ["9780495100553"], "isbn_10": ["0495100552"], "publish_date": "July 31, 2007", "key": "/b/OL9360798M", "authors": [{"key": "/a/OL2899790A"}], "title": "Population", "type": {"key": "/type/edition"}, "subjects": ["Population & demography"], "revision": 1}