{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "3.2 ounces", "publishers": ["Childrens Pr"], "title": "Using Energy (First Science)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12697033, "isbn_13": ["9780516481401"], "isbn_10": ["0516481401"], "publish_date": "March 1995", "key": "/b/OL9419148M", "authors": [{"key": "/a/OL443179A"}, {"key": "/a/OL445080A"}], "type": {"key": "/type/edition"}, "subjects": ["General", "Science & Technology - General", "Children's 4-8", "Experiments", "Juvenile literature", "Power resources", "Children: Grades 1-2"], "physical_dimensions": "9.5 x 7.2 x 0.2 inches", "revision": 1}