@book { TodaufderNorthumberlandDasblaueSiegelFluchdesSdens,
    title = "Tod auf der Northumberland, Das blaue Siegel & Fluch des Südens",
    author = "Daniel {Twardowski}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1365163"
}