{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Harcourt"], "type": {"key": "/type/edition"}, "title": "Railroad to Freedom", "id": 12706676, "isbn_13": ["9780152651190"], "isbn_10": ["0152651195"], "publish_date": "June 1932", "key": "/b/OL9428907M", "authors": [{"key": "/a/OL2859538A"}], "contributions": ["James Daugherty (Illustrator)"], "subjects": ["People of Color", "Biography / Autobiography", "Afro-Americans", "Biography", "Juvenile literature", "Slavery in the United States", "Underground railroad", "Children: Babies & Toddlers"], "revision": 1}