{"title": "Material World: Materials Technology", "subtitle": "Pack of 4 (Material World)", "authors": [{"key": "/authors/OL30878A"}], "publish_date": "February 28, 2002", "publishers": ["Heinemann Educational Books - Library Division"], "isbn_10": ["0431121095"], "isbn_13": ["9780431121093"], "physical_format": "Paperback", "type": {"key": "/type/edition"}, "source_records": ["amazon:0431121095"], "key": "/books/OL10219456M", "number_of_pages": 32, "works": [{"key": "/works/OL15073917W"}], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-06T01:03:56.002219"}}