{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "5.4 ounces", "publishers": ["Rough Guides"], "number_of_pages": 128, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12186215, "isbn_13": ["9781858286532"], "isbn_10": ["1858286530"], "publish_date": "October 19, 2000", "key": "/b/OL9003698M", "authors": [{"key": "/a/OL3140874A"}], "title": "The Rough Guide to Digital Piano Tipbook, 1st Edition (Rough Guide Tipbooks)", "type": {"key": "/type/edition"}, "subjects": ["Electronic musical instruments", "Keyboard instruments", "Techniques of music", "Techniques", "Music/Songbooks", "Music", "Instruction & Study", "Instruction & Study - Techniques", "Musical Instruments - Keyboard", "Musical Instruments - Piano", "Music / General"], "physical_dimensions": "8.3 x 4.2 x 0.4 inches", "revision": 1}