{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Double Trouble (Bobbsey Twins, No 7)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Wanderer Books"], "number_of_pages": 127, "id": 10409471, "isbn_13": ["9780671435844"], "isbn_10": ["0671435841"], "publish_date": "February 1983", "key": "/b/OL7647541M", "authors": [{"key": "/a/OL761501A"}], "title": "The Bobbsey Twins", "type": {"key": "/type/edition"}, "subjects": ["General", "Kidnapping", "Mystery and detective stories", "Fiction", "Smuggling", "Children: Grades 4-6"], "revision": 1}