{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Prentice Hall"], "title": "Key Concept Activity Lab Workbook and Cd for Prealgebra By Martin-gay", "isbn_13": ["9780131438576"], "isbn_10": ["0131438573"], "publish_date": "2004", "key": "/b/OL10081632M", "type": {"key": "/type/edition"}, "id": 13469981, "revision": 1}