{"isbn_13": ["9780792393276"], "physical_format": "Hardcover", "subtitle": "An Economic Appraisal", "weight": "1 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 204, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 10609277, "edition_name": "1 edition", "isbn_10": ["0792393279"], "publish_date": "March 31, 1993", "key": "/b/OL7810680M", "authors": [{"key": "/a/OL2785358A"}, {"key": "/a/OL2785414A"}, {"key": "/a/OL2785357A"}], "title": "Grain Futures Contracts", "type": {"key": "/type/edition"}, "subjects": ["Investment & securities", "Grain trade", "Commodities", "Futures And Options Trading", "Business & Economics", "Business / Economics / Finance", "Business/Economics", "USA", "Commodity futures", "Economics - General", "Finance", "Business & Economics / Commodities", "Business & Economics / Finance", "Business & Economics-Economics - General", "Business & Economics-Finance", "United States", "Chicago Board of Trade"], "physical_dimensions": "9.1 x 5.9 x 0.4 inches", "revision": 1}