This is what Your Dictionary says about term bookazine:
A publication combining elements of books and magazines.

My Herbs is a brand new magazine, or a bookazine as we call it because of its book size and friendly format of 9×6 inches. On its 100 pages printed on high-quality paper, which are totally free of advertisements, you will find exclusive information on home growing, healing remedies and our best healthy recipes. My Herbs is published four times a year and brings you all you need to know for the upcoming season.