{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Cambridge University Press"], "number_of_pages": 112, "id": 13889590, "isbn_13": ["9780521705752"], "isbn_10": ["0521705754"], "publish_date": "March 31, 2008", "key": "/b/OL10436898M", "authors": [{"key": "/a/OL2766309A"}], "title": "Cambridge English Skills Real Reading 4 with answers (Cambridge English Skills)", "type": {"key": "/type/edition"}, "subjects": ["ELT: reading skills", "Foreign Language Study / English as a Second Language", "English"], "revision": 1}