{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["National Geographic Society"], "number_of_pages": 31, "id": 14728828, "isbn_13": ["9780792245629"], "isbn_10": ["0792245628"], "publish_date": "January 2004", "key": "/b/OL11151596M", "authors": [{"key": "/a/OL3268064A"}], "title": "Mountains (Land Around Us)", "type": {"key": "/type/edition"}, "subjects": ["General", "Children's Books/Ages 9-12 Fiction"], "revision": 1}