{"identifiers": {"goodreads": ["6399651"], "librarything": ["8501801"]}, "weight": "7.8 ounces", "covers": [5037409], "latest_revision": 8, "title": "De Caelo", "subjects": ["Ancient Greek & Roman philosophy", "Theoretical & mathematical astronomy"], "type": {"key": "/type/edition"}, "physical_dimensions": "7.3 x 5 x 0.6 inches", "revision": 8, "publishers": ["Oxford University Press"], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2011-11-05T01:18:34.534791"}, "key": "/books/OL10138208M", "authors": [{"key": "/authors/OL22105A"}], "classifications": {}, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "notes": {"type": "/type/text", "value": "Oxford Classical Texts"}, "number_of_pages": 147, "isbn_13": ["9780198145103"], "isbn_10": ["0198145101"], "publish_date": "December 1936", "works": [{"key": "/works/OL151627W"}]}