{"weight": "1.8 pounds", "latest_revision": 2, "id": 12507149, "languages": [{"key": "/l/eng"}], "source_records": ["amazon:0071464115:o-5:1213443700:206846", "amazon:0071464115:6:851929766:207491"], "title": "First Aid Cases for the USMLE Step 2 CK (First Aid Cases)", "edition_name": "1 edition", "subjects": ["First aid & paramedical services", "Medicine: General Issues", "Test Preparation & Review", "Medical", "Medical / Nursing", "Emergency Medicine", "Medical / Test Preparation & Review"], "type": {"key": "/type/edition"}, "physical_dimensions": "10.6 x 8.5 x 0.5 inches", "revision": 2, "publishers": ["McGraw-Hill Medical"], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2009-10-26T01:24:20.023343"}, "key": "/b/OL9255991M", "authors": [{"key": "/a/OL2635946A"}], "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "number_of_pages": 272, "isbn_13": ["9780071464116"], "isbn_10": ["0071464115"], "publish_date": "December 14, 2006", "works": [{"key": "/works/OL282054W"}]}