Important and scholarly cartography reference profusely illustrated with exceedingly rare and interesting Portuguese maps and charts. Original edition, published on the occasion of the five hundreth anniversary of the death of Henry the Navigator. Arguably the most far-reaching historiographic and publishing venture yet under taken in Portugal. With detailed descriptions and biographical notes in English and Portuguese. About 1000 maps and layouts. `` 5 massive volumes and one index smaller volume bound in faux vellum. Copies of almost all of the Portuguese maps by their mariners up to the late 1600's. These babies have a shipping weight of about 150 pounds. Maps range from foldouts and double page spreads down to several to a page.