{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Instructional Fair"], "title": "Ratio, Proportion, and Percent (Mathematical Mind)", "id": 16028694, "isbn_13": ["9781568229850"], "isbn_10": ["1568229852"], "publish_date": "January 2001", "key": "/b/OL12170613M", "type": {"key": "/type/edition"}, "subjects": ["General", "Mathematics"], "revision": 1}