{
    "query": {
        "category": "Mathematics",
        "publication_date": "1977-01",
        "nr_of_items": 1
    },
    "items": [
        {
            "title": "Elementary Number Theory",
            "subtitle": "A Problem Oriented Approach",
            "author": "by Joseph B. Roberts",
            "isbn": "9780262680288",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262680288\/elementary-number-theory"
        }
    ]
}