{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Edna Campos Gravenhorst"], "number_of_pages": 155, "id": 15579954, "isbn_13": ["9780974534633"], "isbn_10": ["0974534633"], "publish_date": "2007", "key": "/b/OL11804126M", "authors": [{"key": "/a/OL3750143A"}], "title": "Ay Mijo! Why Do You Want to Be an Engineer?", "type": {"key": "/type/edition"}, "subjects": ["Children's Books - General"], "revision": 1}