{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "title": "Pig Production", "number_of_pages": 94, "id": 12569458, "isbn_13": ["9780909973421"], "isbn_10": ["0909973423"], "key": "/b/OL9315964M", "authors": [{"key": "/a/OL3054377A"}], "type": {"key": "/type/edition"}, "subjects": ["Veterinary Medicine - General", "Medical"], "revision": 1}