{
    "query": {
        "category": "Geography",
        "publication_date": "1991-01",
        "nr_of_items": 2
    },
    "items": [
        {
            "title": "World Population Growth and Aging",
            "subtitle": "Demographic Trends in the Late Twentieth Century",
            "author": "Keyfitz, Nathan",
            "isbn": "9780226432373",
            "publisher": "University of Chicago Press",
            "link_to_publisher": "https:\/\/press.uchicago.edu\/ucp\/books\/book\/chicago\/W\/bo3616520.html"
        },
        {
            "title": "City Games",
            "subtitle": "The Evolution of American Urban Society and the Rise of Sports",
            "author": "Steven A. Riess",
            "isbn": "9780252062162",
            "publisher": "University of Illinois Press",
            "link_to_publisher": "https:\/\/www.press.uillinois.edu\/books\/?id=p062162"
        }
    ]
}