{"languages": [{"key": "/l/ger"}], "physical_format": "Paperback", "weight": "2 pounds", "publishers": ["Insel, Frankfurt"], "number_of_pages": 725, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "isbn_13": ["9783458143451"], "isbn_10": ["3458143459"], "publish_date": "January 1, 1987", "key": "/b/OL9629069M", "authors": [{"key": "/a/OL119580A"}, {"key": "/a/OL814135A"}], "title": "Die Welt als Wille und Vorstellung.", "type": {"key": "/type/edition"}, "id": 12946645, "physical_dimensions": "9.8 x 7.9 x 1.8 inches", "revision": 1}