The Combined Nomenclature (CN), v1:2024
4901: Printed books, brochures and similar printed matter, whether or not in single sheets (excl. periodicals and publications which are essentially devoted to advertising)
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=ff35b666-b08b-41b5-bea1-78e213f89ca8