{"physical_format": "Audio Cassette", "weight": "9.3 ounces", "publishers": ["Soundelux Audio Pub"], "title": "The Hobbit (BBC Drama Series/Audio Cassettes)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13137950, "isbn_13": ["9781559350327"], "isbn_10": ["1559350326"], "publish_date": "February 1990", "key": "/b/OL9792607M", "authors": [{"key": "/a/OL26320A"}], "type": {"key": "/type/edition"}, "subjects": ["Radio - General", "Audio - Radio", "Audio Adult: Books On Tape"], "physical_dimensions": "8.8 x 5.2 x 1.2 inches", "revision": 1}