{"identifiers": {"goodreads": ["1152012"], "librarything": ["251056"]}, "title": "Discrete Mathematics (fourth Edition)", "authors": [{"key": "/authors/OL230162A"}], "publish_date": "1998", "publishers": ["Prentice Hall"], "contributions": ["1_0130805505 (Illustrator)"], "physical_format": "Hardcover", "isbn_10": ["0130805505"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0130805505"], "key": "/books/OL10078390M", "works": [{"key": "/works/OL1920211W"}], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-13T12:02:28.965385"}}