{"isbn_13": ["9780071467612"], "physical_format": "Hardcover", "weight": "3.8 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["McGraw-Hill Professional"], "number_of_pages": 512, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12507211, "edition_name": "4 edition", "isbn_10": ["0071467610"], "publish_date": "December 11, 2006", "key": "/b/OL9256055M", "authors": [{"key": "/a/OL388638A"}, {"key": "/a/OL2636015A"}], "title": "Mechanisms and Mechanical Devices Sourcebook, Fourth Edition", "type": {"key": "/type/edition"}, "subjects": ["Mechanical engineering", "Science/Mathematics", "Technology", "Technology & Industrial Arts", "Engineering - Mechanical", "Machinery", "Technology / Engineering / Mechanical", "Mechanical movements"], "physical_dimensions": "11 x 8.7 x 1.3 inches", "revision": 1}