{"isbn_13": ["9780321129840"], "physical_format": "Paperback", "weight": "2 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Addison Wesley Publishing Company"], "number_of_pages": 49, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12829381, "edition_name": "5 edition", "isbn_10": ["0321129849"], "publish_date": "February 2003", "key": "/b/OL9529604M", "authors": [{"key": "/a/OL535887A"}, {"key": "/a/OL2670317A"}, {"key": "/a/OL2670318A"}], "title": "Activities for Elementary Mathematics Teachers", "type": {"key": "/type/edition"}, "subjects": ["Reference works", "Elementary", "Handbooks & Manuals", "Education / Teaching", "Reference"], "physical_dimensions": "10.6 x 8.3 x 0.9 inches", "revision": 1}