{"isbn_13": ["9780071485500"], "physical_format": "Hardcover", "weight": "1.4 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["International Marine/Ragged Mountain Press"], "number_of_pages": 224, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12507158, "edition_name": "2 edition", "isbn_10": ["0071485503"], "publish_date": "July 23, 2007", "key": "/b/OL9256573M", "authors": [{"key": "/a/OL528720A"}], "title": "Powerboater's Guide to Electrical Systems, Second Edition", "type": {"key": "/type/edition"}, "subjects": ["Shipbuilding technology & engineering", "Sports & Recreation", "Sports", "Boating - General", "Ships & Shipbuilding - Engineering", "Sports & Recreation / Boating", "Boats and boating", "Electric equipment", "Maintenance and repair", "Motorboats"], "physical_dimensions": "9.7 x 7.7 x 0.6 inches", "revision": 1}