{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Grade 4", "weight": "3.7 pounds", "publishers": ["Macmillan/Mcgraw-Hill School"], "title": "McGraw Hill Mathematics", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13158077, "isbn_13": ["9780021001279"], "isbn_10": ["0021001278"], "publish_date": "June 2002", "key": "/b/OL9807801M", "authors": [{"key": "/a/OL2624612A"}], "type": {"key": "/type/edition"}, "subjects": ["Mathematics", "Mathematics - General", "Juvenile Nonfiction", "Children: Grades 3-4"], "physical_dimensions": "10.8 x 8.5 x 1.2 inches", "revision": 1}