{"physical_format": "Paperback", "weight": "8.8 ounces", "publishers": ["Heritage Auctions, Inc."], "type": {"key": "/type/edition"}, "number_of_pages": 96, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "isbn_13": ["9781599670591"], "isbn_10": ["1599670593"], "publish_date": "July 1, 2006", "key": "/b/OL9360486M", "authors": [{"key": "/a/OL3244233A"}], "title": "Heritage Coin Online Session #411", "contributions": ["James L. Halperin (Editor)"], "id": 12624444, "physical_dimensions": "10.6 x 8.2 x 0.5 inches", "revision": 1}