{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Machines, History, & Methods", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Books on Demand"], "number_of_pages": 518, "id": 12857068, "isbn_13": ["9780608005591"], "isbn_10": ["0608005592"], "publish_date": "December 1989", "key": "/b/OL9554423M", "authors": [{"key": "/a/OL1241340A"}], "title": "Cryptology", "type": {"key": "/type/edition"}, "subjects": ["Communication", "Language Arts / Linguistics / Literacy"], "revision": 1}