{
    "query": {
        "category": "Mathematics",
        "publication_date": "2001-08",
        "nr_of_items": 2
    },
    "items": [
        {
            "title": "200 Puzzling Physics Problems",
            "subtitle": "With Hints and\u00a0Solutions",
            "author": "P. Gn\u00e4dig; G. Honyek; K. F. Riley",
            "isbn": "9780521774802",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/physics\/general-and-classical-physics\/200-puzzling-physics-problems-hints-and-solutions?format=PB"
        },
        {
            "title": "Graphs on Surfaces",
            "subtitle": null,
            "author": "Bojan Mohar and Carsten Thomassen",
            "isbn": "9780801866890",
            "publisher": "Johns Hopkins University Press",
            "link_to_publisher": "https:\/\/www.press.jhu.edu\/books\/title\/1675\/graphs-surfaces"
        }
    ]
}