{"isbn_13": ["9780750611862"], "physical_format": "Hardcover", "subtitle": "Science and Practice", "weight": "1.5 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Butterworth-Heinemann"], "number_of_pages": 321, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12794538, "edition_name": "New Ed edition", "isbn_10": ["0750611863"], "publish_date": "April 1989", "key": "/b/OL9502962M", "authors": [{"key": "/a/OL3273606A"}], "title": "Contraception", "contributions": ["John Guillebaud (Editor)"], "subjects": ["Reproductive Medicine & Technology", "Birth control, contraception, family planning", "Contraception", "Medical / Nursing", "methods", "Health/Fitness"], "physical_dimensions": "9.2 x 6.5 x 1 inches", "revision": 1}