{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "4 ounces", "publishers": ["Childrens Pr"], "title": "The Manhattan Project (Cornerstones of Freedom)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12779980, "isbn_13": ["9780516466705"], "isbn_10": ["0516466704"], "publish_date": "January 1994", "key": "/b/OL9489140M", "authors": [{"key": "/a/OL19824A"}], "type": {"key": "/type/edition"}, "subjects": ["History - United States/General", "Children's 9-12 - History - General", "Children: Grades 4-6"], "physical_dimensions": "9.5 x 8 x 0.2 inches", "revision": 1}