{"identifiers": {"librarything": ["5256891"], "goodreads": ["2132617"]}, "title": "Middle Grades Math Book: Grades 6-8 ", "subtitle": "Inventive Exercises to Sharpen Skills and Raise Achievement (Basic, Not Boring)", "authors": [{"key": "/authors/OL359987A"}, {"key": "/authors/OL460512A"}], "publish_date": "May 2000", "publishers": ["Incentive Publications"], "weight": "1 pounds", "covers": [1611394], "physical_format": "Paperback", "subjects": ["Mathematics", "Teaching Methods & Materials - Mathematics", "Elementary", "Education / Teaching", "Education", "General", "Teaching Methods & Materials - Classroom Planning"], "isbn_13": ["9780865304598"], "languages": [{"key": "/languages/eng"}], "isbn_10": ["0865304599"], "oclc_numbers": ["46606188"], "type": {"key": "/type/edition"}, "physical_dimensions": "10.9 x 8.8 x 0.8 inches", "source_records": ["amazon:0865304599"], "key": "/books/OL9494152M", "number_of_pages": 320, "works": [{"key": "/works/OL15100733W"}], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-05T08:24:20.296703"}}