Cogs, Small Cogs and Boats. The Thirteenth until Sixteenth Century Dutch and Flemish Archaeological Finds from the Hanseatic Shipbuilding Tradition Seen in a Broader Perspective: by Karel Vlierman, Zwolle, Netherlands, SPA Publishers, 2021, 998 pp. in 2 vols, numerous illustrations, mostly colour, 70 technical drawings, €149.95 (hbk with luxury box), ISBN 978-90-8932-048-3