{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Grade 5-6 (Math Skill Builders (Learning Horizons))", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Learning Horizons"], "number_of_pages": 64, "id": 16214860, "isbn_13": ["9781586104269"], "isbn_10": ["1586104268"], "publish_date": "April 2001", "key": "/b/OL12318108M", "title": "Math", "type": {"key": "/type/edition"}, "subjects": ["Mathematics - General", "Children's Books/Ages 9-12 Nonfiction"], "revision": 1}