{"isbn_13": ["9780131463929"], "physical_format": "Paperback", "subtitle": "Explore and Apply,  Enhanced Edition (Ayers/Collinge Economics Enhanced Series)", "weight": "2.1 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Prentice Hall"], "number_of_pages": 528, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12544146, "edition_name": "Enhanced edition", "isbn_10": ["0131463926"], "publish_date": "February 20, 2004", "key": "/b/OL9291234M", "authors": [{"key": "/a/OL2652930A"}, {"key": "/a/OL2649004A"}], "title": "Microeconomics", "type": {"key": "/type/edition"}, "subjects": ["Microeconomics", "Business/Economics", "Business & Economics", "Business / Economics / Finance", "Textbooks", "Economics - General", "Economics - Microeconomics", "Business & Economics / Economics / General"], "physical_dimensions": "9.8 x 7.9 x 0.8 inches", "revision": 1}