{"isbn_13": ["9780306426636"], "physical_format": "Hardcover", "weight": "1.6 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 292, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12752335, "edition_name": "1 edition", "isbn_10": ["0306426633"], "publish_date": "July 1, 1987", "key": "/b/OL9465979M", "authors": [{"key": "/a/OL3266033A"}], "title": "Genetic Engineering:Principles and Methods (Genetic Engineering: Principles and Methods)", "type": {"key": "/type/edition"}, "subjects": ["Life Sciences - Genetics & Genomics", "Science / Genetics", "Science", "Science/Mathematics"], "physical_dimensions": "10.5 x 7 x 0.8 inches", "revision": 1}