{"languages": [{"key": "/l/eng"}], "physical_format": "Mass Market Paperback", "subtitle": "(#13) (Tarzan)", "weight": "3.2 ounces", "publishers": ["Ballantine Books"], "title": "Tarzan at the Earth's Core", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12960977, "isbn_13": ["9780345328229"], "isbn_10": ["0345328221"], "publish_date": "January 12, 1986", "key": "/b/OL9639826M", "authors": [{"key": "/a/OL146605A"}], "type": {"key": "/type/edition"}, "subjects": ["Fantasy - General", "Science Fiction - General", "Fiction / Science Fiction / General", "Fiction - Fantasy", "Fiction"], "physical_dimensions": "7 x 4.2 x 0.2 inches", "revision": 1}