{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Encyclopedia Britannica"], "number_of_pages": 510, "isbn_13": ["9780852294710"], "isbn_10": ["0852294719"], "publish_date": "1988", "key": "/b/OL8280964M", "title": "Medical and Health Annual 1988 (Encyclopedia Britannica Medical and Health Allual 1988)", "type": {"key": "/type/edition"}, "id": 11209591, "revision": 1}