{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Perfection Learning (Sd)"], "type": {"key": "/type/edition"}, "number_of_pages": 79, "id": 12574406, "isbn_13": ["9780789155207"], "isbn_10": ["0789155206"], "publish_date": "June 2002", "key": "/b/OL9320947M", "authors": [{"key": "/a/OL328075A"}], "title": "The Freedom Tree (Cover-to-Cover Books)", "contributions": ["Sue Cornelison (Illustrator)"], "subjects": ["Slavery", "Juvenile Fiction", "Fiction", "Children: Grades 4-6", "United States", "Plantation life", "1861-1865, Civil War", "General", "History"], "revision": 1}