{"title": "Economics Today Microeconomics 9/E 1997 and Economics Today Internet ACT 9/E 1997 Adhoc Bundle", "authors": [{"key": "/authors/OL2625192A"}], "publish_date": "April 1997", "isbn_13": ["9780201301526"], "physical_format": "Unknown Binding", "languages": [{"key": "/languages/eng"}], "publishers": ["Not Avail"], "edition_name": "9th edition", "isbn_10": ["0201301520"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0201301520"], "key": "/books/OL10149477M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-20T10:55:53.147354"}}