{"type": {"key": "/type/edition"}, "title": "Grey Mask", "authors": [{"key": "/authors/OL709550A"}], "publish_date": "1972", "languages": [{"key": "/languages/eng"}], "number_of_pages": 322, "source_records": ["ia:bwb_W9-ANO-109"], "works": [{"key": "/works/OL3901369W"}], "key": "/books/OL58719382M", "identifiers": {}, "ocaid": "bwb_W9-ANO-109", "subtitle": "A Miss Silver Mystery", "publishers": ["Berkley Publishing Company"], "publish_places": ["New York"], "copyright_date": "1929", "covers": [15138114], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2025-04-28T00:58:54.851327"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-02T00:11:52.563629"}}