{"subtitle": "Grades 4-6 (Kids' Stuff)", "title": "If You're Trying To Get Better Grades & Higher Test Scores In Math You've Got To Have This Books!", "key": "/works/OL15100712W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL359987A"}}], "type": {"key": "/type/work"}, "subjects": ["Mathematics", "Study and teaching (Elementary)"], "covers": [1611442], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2010-04-29T16:08:03.221267"}, "last_modified": {"type": "/type/datetime", "value": "2020-12-11T14:00:04.505968"}}