{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "4.8 pounds", "publishers": ["Art Data"], "number_of_pages": 226, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11143193, "isbn_13": ["9780892071036"], "isbn_10": ["0892071036"], "publish_date": "December 31, 1995", "key": "/b/OL8230068M", "authors": [{"key": "/a/OL2787853A"}], "title": "Picasso and the Age of Iron", "type": {"key": "/type/edition"}, "subjects": ["Sculpture", "Art", "Architecture", "General", "Exhibitions", "Individual artists", "Picasso, Pablo", "20th century"], "physical_dimensions": "11.7 x 10.1 x 1.5 inches", "revision": 1}