{"title": "What Is to Be Done", "authors": [{"key": "/authors/OL1104A"}], "publish_date": "August 1983", "publishers": ["China Books & Periodicals"], "physical_format": "Paperback", "isbn_13": ["9780835105675"], "languages": [{"key": "/languages/eng"}], "isbn_10": ["0835105679"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0835105679"], "key": "/books/OL8190627M", "works": [{"key": "/works/OL301491W"}], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2008-04-29T15:03:11.581851"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-07T19:30:28.972294"}}