{"publishers": ["Cambridge University Press"], "number_of_pages": 159, "physical_format": "Paperback", "key": "/books/OL7732654M", "authors": [{"key": "/authors/OL1457452A"}], "subjects": ["Education", "Teaching Methods & Materials - Mathematics", "Mathematics / General"], "isbn_13": ["9780521203470"], "classifications": {}, "title": "Smp Book Z Teachers", "notes": {"type": "/type/text", "value": "School Mathematics Project Lettered Books"}, "identifiers": {}, "languages": [{"key": "/languages/eng"}], "isbn_10": ["0521203473"], "publish_date": "April 1, 1974", "works": [{"key": "/works/OL5904705W"}], "type": {"key": "/type/edition"}, "lc_classifications": ["QA39.2"], "source_records": ["bwb:9780521203470"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-04-29T15:03:11.581851"}, "last_modified": {"type": "/type/datetime", "value": "2021-12-26T15:14:00.678228"}}