{"identifiers": {"librarything": ["123116"]}, "title": "The Working Parents' Companion (National Childbirth Trust Guides)", "authors": [{"key": "/authors/OL391819A"}], "publish_date": "April 6, 1998", "publishers": ["HarperCollins Publishers Ltd"], "covers": [459086], "physical_format": "Paperback", "subjects": ["Child care & upbringing"], "isbn_13": ["9780722536384"], "edition_name": "New Ed edition", "isbn_10": ["0722536380"], "oclc_numbers": ["38854976"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0722536380"], "key": "/books/OL7864906M", "number_of_pages": 192, "works": [{"key": "/works/OL2683272W"}], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2008-04-29T15:03:11.581851"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-20T17:57:40.089065"}}