{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Ladybird Books Ltd"], "type": {"key": "/type/edition"}, "number_of_pages": 32, "id": 14011919, "isbn_13": ["9780721428192"], "isbn_10": ["0721428193"], "publish_date": "March 25, 1999", "key": "/b/OL10536267M", "authors": [{"key": "/a/OL454426A"}, {"key": "/a/OL716610A"}], "title": "Number Skills (National Curriculum - Test)", "contributions": ["Roma Bishop (Illustrator)"], "subjects": ["Mathematics", "For National Curriculum Key Stage 1"], "revision": 1}