{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "10.4 ounces", "publishers": ["Alfred Publishing Company"], "type": {"key": "/type/edition"}, "number_of_pages": 134, "id": 10737549, "isbn_13": ["9780739041987"], "isbn_10": ["0739041983"], "publish_date": "June 2006", "key": "/b/OL7912996M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Led Zeppelin IV (Alfred's Classic Album Editions)", "contributions": ["Led Zeppelin (Composer)", "Alfred Publishing (Corporate Author)"], "subjects": ["Genres & Styles - Rock", "History & Criticism - General", "Musical Instruments - Guitar", "Songbooks - General", "Musical Instruments - Construction And Repair", "Songbooks", "Music", "Music/Songbooks"], "physical_dimensions": "11.7 x 8.9 x 0.4 inches", "revision": 1}