{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "442 Thinking Workouts", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Instructional Fair"], "title": "Mental Aerobics", "id": 16028721, "isbn_13": ["9781568229584"], "isbn_10": ["1568229585"], "publish_date": "January 2001", "key": "/b/OL12170598M", "type": {"key": "/type/edition"}, "subjects": ["General", "Education", "Education / Teaching"], "revision": 1}