{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Seminar Catalunya, Spain July 1992 (Seminar)", "weight": "2.6 pounds", "publishers": ["Amer Academy of Orthopaedic"], "type": {"key": "/type/edition"}, "number_of_pages": 570, "id": 11143188, "isbn_13": ["9780892030781"], "isbn_10": ["089203078X"], "publish_date": "March 1994", "key": "/b/OL8229653M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Sports and Exercise in Midlife", "contributions": ["Stephen L. Gordon (Editor)", "Xavier Gonzalez-Mestre (Contributor, Editor)", "National Institute of Arthritis and Musculoskeletal and Skin Diseases (Corporate Author)", "William E. Garrett (Editor)"], "subjects": ["Exercise & workout books", "Middle aged persons", "General", "Human Exercise Physiology", "Sports Medicine", "Sports", "Health & Fitness", "Health/Fitness", "Physiological aspects", "Exercise", "Congresses", "Exercise for middle-aged persons", "Health and hygiene", "Middle-aged persons"], "physical_dimensions": "10 x 7 x 1.2 inches", "revision": 1}