{"publishers": ["Mcgraw-Hill Osborne Media"], "physical_format": "Paperback", "weight": "2.4 pounds", "source_records": ["amazon:0072120525:o-5:1429385495:210472", "amazon:0072120525:6:1068198777:209587"], "title": "CCNA Test Yourself Practice Exams (Exam 640-507)", "number_of_pages": 505, "isbn_13": ["9780072120523"], "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "languages": [{"key": "/l/eng"}], "authors": [{"key": "/a/OL2638203A"}], "isbn_10": ["0072120525"], "publish_date": "April 30, 1999", "key": "/b/OL9256811M", "last_modified": {"type": "/type/datetime", "value": "2009-10-26T02:53:24.767620"}, "latest_revision": 2, "subjects": ["Computer Communications & Networking", "Computing and Information Technology", "Study guides", "Electronic data processing per", "Data Transmission Standards And Protocols", "Computers", "Computers - Communications / Networking", "Networking - Network Protocols", "Computer Books: Integrated Systems", "Networking - General", "Electronic data processing personnel", "Certification", "Computer networks", "Examinations"], "works": [{"key": "/works/OL282775W"}], "type": {"key": "/type/edition"}, "id": 12507224, "physical_dimensions": "9.2 x 7.5 x 1.5 inches", "revision": 2}