TESTCASES= [
  isbn: '9780316030571',
  data: {
    "ISBN:9780316030571": {
        "authors": [
            {
                "name": "Iain M. Banks",
                "url": "https://openlibrary.org/authors/OL6924809A/Iain_M._Banks"
            }
        ],
        "cover": {
            "large": "https://covers.openlibrary.org/b/id/2379038-L.jpg",
            "medium": "https://covers.openlibrary.org/b/id/2379038-M.jpg",
            "small": "https://covers.openlibrary.org/b/id/2379038-S.jpg"
        },
        "ebooks": [
            {
                "availability": "borrow",
                "borrow_url": "https://openlibrary.org/books/OL10426208M/Use_of_Weapons/borrow",
                "checkedout": false,
                "formats": {},
                "preview_url": "https://archive.org/details/useofweapons00bank_0"
            }
        ],
        "identifiers": {
            "goodreads": [
                "3395563"
            ],
            "isbn_10": [
                "0316030570"
            ],
            "isbn_13": [
                "9780316030571"
            ],
            "librarything": [
                "141"
            ],
            "openlibrary": [
                "OL10426208M"
            ]
        },
        "key": "/books/OL10426208M",
        "number_of_pages": 480,
        "publish_date": "July 28, 2008",
        "publishers": [
            {
                "name": "Orbit"
            }
        ],
        "subject_people": [
            {
                "name": "Cheradenine Zakalwe",
                "url": "https://openlibrary.org/subjects/person:cheradenine_zakalwe"
            },
            {
                "name": "Diziet Sma",
                "url": "https://openlibrary.org/subjects/person:diziet_sma"
            },
            {
                "name": "Skaffen-Amtiskaw",
                "url": "https://openlibrary.org/subjects/person:skaffen-amtiskaw"
            }
        ],
        "subjects": [
            {
                "name": "Fiction",
                "url": "https://openlibrary.org/subjects/fiction"
            },
            {
                "name": "Science Fiction",
                "url": "https://openlibrary.org/subjects/science_fiction"
            },
            {
                "name": "Science Fiction & Fantasy",
                "url": "https://openlibrary.org/subjects/science_fiction_&_fantasy"
            },
            {
                "name": "Long Now Manual for Civilization",
                "url": "https://openlibrary.org/subjects/long_now_manual_for_civilization"
            },
            {
                "name": "Space warfare",
                "url": "https://openlibrary.org/subjects/space_warfare"
            }
        ],
        "title": "Use of Weapons",
        "url": "https://openlibrary.org/books/OL10426208M/Use_of_Weapons"
    }
  }
]