{"isbn_13": ["9780073230597"], "physical_format": "Hardcover", "weight": "4.7 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["McGraw-Hill/Irwin"], "number_of_pages": 901, "last_modified": {"type": "/type/datetime", "value": "2008-09-07 08:45:03.059209"}, "id": 12513195, "edition_name": "3 edition", "isbn_10": ["0073230596"], "publish_date": "December 15, 2005", "key": "/b/OL9262054M", "authors": [{"key": "/a/OL238242A"}, {"key": "/a/OL1423899A"}], "title": "Principles of Economics + DiscoverEcon code card", "type": {"key": "/type/edition"}, "subjects": ["Economics", "Business/Economics", "Business & Economics", "Business / Economics / Finance", "Coursepacks", "Economics - General", "Business & Economics / Economics / General"], "physical_dimensions": "10.9 x 8.4 x 1.4 inches", "revision": 2}