{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Sound and Light", "weight": "1.6 pounds", "publishers": ["Holt Rinehart & Winston"], "title": "Holt Science & Technology", "id": 12619581, "isbn_13": ["9780030648076"], "isbn_10": ["0030648076"], "publish_date": "April 2002", "key": "/b/OL9355749M", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "type": {"key": "/type/edition"}, "subjects": ["Science & Nature - Physics", "Juvenile Nonfiction", "Children: Young Adult (Gr. 7-9)"], "physical_dimensions": "11 x 8.3 x 0.6 inches", "revision": 1}