{"title": "Original Pianoforte Pieces", "publish_date": "January 2, 1990", "physical_format": "Paperback", "publishers": ["Associated Board of the Royal School of Music"], "isbn_13": ["9781854721891"], "isbn_10": ["1854721895"], "type": {"key": "/type/edition"}, "subjects": ["Musical scores, lyrics & libretti"], "source_records": ["amazon:1854721895"], "key": "/books/OL11995347M", "number_of_pages": 32, "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2008-04-30T20:50:18.033121"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-06T16:41:36.718547"}}