{"publishers": ["Dercum Audio"], "number_of_pages": 6, "weight": "7.8 ounces", "physical_format": "Audio cassette", "key": "/books/OL8596457M", "contributions": ["William Barker (Contributor)"], "subjects": ["General", "Mystery & Detective - General", "Audio Adult: Books On Tape", "Fiction", "Abridged Audio - Fiction/Religious", "Unabridged Audio - Fiction/General"], "languages": [{"key": "/languages/eng"}], "title": "Sign of Four (Paperboard)", "identifiers": {"goodreads": ["5684752"]}, "isbn_13": ["9781556561399"], "isbn_10": ["1556561393"], "publish_date": "October 1990", "works": [{"key": "/works/OL262438W"}], "type": {"key": "/type/edition"}, "physical_dimensions": "7 x 4.5 x 1.2 inches", "latest_revision": 9, "revision": 9, "created": {"type": "/type/datetime", "value": "2008-04-30T06:33:27.187047"}, "last_modified": {"type": "/type/datetime", "value": "2023-03-06T11:40:52.829990"}}