{"covers": [5432154], "first_publish_date": "2004", "latest_revision": 4, "key": "/works/OL12508328W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5539629A"}}], "subjects": ["Fractions", "Problems, exercises", "Problems, exercises, etc", "Study and teaching (Elementary)", "Study and teaching (Middle school)"], "created": {"type": "/type/datetime", "value": "2009-12-11T07:05:19.911060"}, "title": "Success with math", "last_modified": {"type": "/type/datetime", "value": "2010-12-03T20:49:28.185959"}, "type": {"key": "/type/work"}, "revision": 4}