{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "2.1 pounds", "publishers": ["Arthur Niggli"], "number_of_pages": 128, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12300702, "isbn_13": ["9783721202823"], "isbn_10": ["3721202821"], "publish_date": "October 1994", "key": "/b/OL9088842M", "authors": [{"key": "/a/OL500116A"}], "title": "Earth and Cave Architecture", "type": {"key": "/type/edition"}, "subjects": ["Study & Teaching", "Vetsch, Peter", "Architecture", "Criticism", "Methods & Materials"], "physical_dimensions": "12 x 8.8 x 0.7 inches", "revision": 1}