{"isbn_13": ["9780764152764"], "physical_format": "Hardcover", "weight": "12.3 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Barron's Educational Series"], "number_of_pages": 75, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12752375, "edition_name": "1st edition", "isbn_10": ["0764152769"], "publish_date": "June 1, 2001", "key": "/b/OL9465394M", "authors": [{"key": "/a/OL336333A"}, {"key": "/a/OL24958A"}], "title": "An Essential Guide to Choosing Your Marine Tropical Fish", "type": {"key": "/type/edition"}, "subjects": ["Reference", "Marine aquarium fishes", "Animals", "Animals / Pets", "Pets", "Tropical fish", "Fish & Aquariums", "Marine aquariums"], "physical_dimensions": "10.1 x 7.1 x 0.4 inches", "revision": 1}