relevant to the seafaring community of its time. The content of the book systematically outlines various maritime routes, describing the tides, currents, and geographical landmarks essential for safe passage. It discusses the specifics of navigation—where to anchor, how to respond to changing tides, and the dangers presented by underwater features and weather conditions. Moreover, it provides legal guidelines concerning maritime commerce and the responsibilities of shipmasters and crew, illustrating the complex interplay of navigation and law in the maritime world of the late Middle Ages. Overall, it serves as a crucial resource for understanding the maritime practices and challenges of the era. (This is an automatically generated summary.)