{"isbn_13": ["9781883965129"], "physical_format": "Paperback", "subtitle": "Preschool through third grade", "last_modified": {"type": "/type/datetime", "value": "2008-08-21 01:52:47.38853"}, "languages": [{"key": "/l/eng"}], "publishers": ["Rattle OK Pub"], "number_of_pages": 168, "id": 13180330, "edition_name": "[Rev. ed.] edition", "isbn_10": ["1883965128"], "publish_date": "1996", "key": "/b/OL9827134M", "authors": [{"key": "/a/OL893820A"}], "title": "Mathematics children use and understand", "type": {"key": "/type/edition"}, "subjects": ["Mathematics", "Study and teaching (Elementary)", "Study and teaching (Preschool)"], "revision": 2}