{"physical_format": "Paperback", "weight": "2.9 ounces", "publishers": ["Usborne Publishing Ltd"], "number_of_pages": 32, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 10794216, "isbn_13": ["9780746051269"], "isbn_10": ["0746051263"], "publish_date": "January 31, 2003", "key": "/b/OL7958588M", "authors": [{"key": "/a/OL2790702A"}], "title": "Castles (Usborne Beginners)", "type": {"key": "/type/edition"}, "subjects": ["Castles & historic buildings", "For National Curriculum Key Stage 1"], "physical_dimensions": "7.8 x 5.5 x 0.2 inches", "revision": 1}