{
    "query": {
        "category": "Mathematics",
        "publication_date": "1982-09",
        "nr_of_items": 2
    },
    "items": [
        {
            "title": "Curriculum Development in Mathematics",
            "subtitle": null,
            "author": "Geoffrey Howson; Christine Keitel; Jeremy Kilpatrick",
            "isbn": "9780521270533",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/recreational-mathematics\/curriculum-development-mathematics?format=PB"
        },
        {
            "title": "The National Balance Sheet of the United States, 1953-1980",
            "subtitle": null,
            "author": "Goldsmith, Raymond W.",
            "isbn": "9780226301525",
            "publisher": "University of Chicago Press",
            "link_to_publisher": "https:\/\/press.uchicago.edu\/ucp\/books\/book\/chicago\/N\/bo3613824.html"
        }
    ]
}