{"first_sentence": {"type": "/type/text", "value": "It takes at least thirty hours to travel overland from Britain to Portugal, so the majority of visitors find flying is the most viable option."}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "weight": "1 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Rough Guides"], "number_of_pages": 560, "isbn_13": ["9781858285160"], "id": 12186164, "edition_name": "9th edition", "isbn_10": ["185828516X"], "publish_date": "May 8, 2000", "key": "/b/OL9003618M", "authors": [{"key": "/a/OL1455726A"}, {"key": "/a/OL2624180A"}, {"key": "/a/OL3140897A"}], "title": "The Rough Guide to Portugal, 9th (Portugal (Rough Guides))", "type": {"key": "/type/edition"}, "subjects": ["Travel & holiday guides", "Travel", "Travel - Foreign", "Portugal", "Spain", "Europe - Spain & Portugal", "Travel / General"], "physical_dimensions": "7.9 x 5.1 x 1 inches", "revision": 1}