{"title": "Compact Blues Chord Reference", "publishers": ["Music Sales Ltd"], "isbn_13": ["9780711938472"], "covers": [5110598], "physical_format": "Paperback", "isbn_10": ["0711938474"], "oclc_numbers": ["41417636"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0711938474"], "key": "/books/OL11243330M", "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-02T13:59:32.133501"}}