{"identifiers": {"goodreads": ["7149654"]}, "title": "Protector", "subtitle": "Library Edition", "authors": [{"key": "/authors/OL33881A"}], "publish_date": "April 2003", "publishers": ["Blackstone Audiobooks"], "weight": "14.4 ounces", "series": ["Known Space (5)"], "covers": [8035262], "physical_format": "Audio Cassette", "contributions": ["Mark Sherman (Narrator)"], "subjects": ["Science Fiction - General", "Fiction", "Unabridged Audio - Fiction/Science Fiction & Fantasy", "Science Fiction"], "edition_name": "Unabridged edition", "languages": [{"key": "/languages/eng"}], "isbn_13": ["9780786123902"], "isbn_10": ["0786123907"], "oclc_numbers": ["52273852"], "type": {"key": "/type/edition"}, "physical_dimensions": "9.5 x 6.6 x 1.3 inches", "source_records": ["amazon:0786123907"], "key": "/books/OL9678341M", "works": [{"key": "/works/OL510450W"}], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-18T23:55:18.042337"}}