{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Reflections from the Humanities", "weight": "15.2 ounces", "publishers": ["Duke University Press"], "type": {"key": "/type/edition"}, "number_of_pages": 302, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12950253, "isbn_13": ["9780822308171"], "isbn_10": ["0822308177"], "publish_date": "December 1986", "key": "/b/OL9631960M", "authors": [{"key": "/a/OL2765773A"}], "title": "What Does It Mean to Grow Old?", "contributions": ["Sally Gadow (Editor)"], "subjects": ["Sociology, Social Studies", "Sociology", "Medicine & Health", "paper"], "physical_dimensions": "8.9 x 5.4 x 1 inches", "revision": 1}