It begins by outlining the fundamental principles of seafood preservation, explaining the science behind spoilage and how these methods inhibit it. Each subsequent section focuses on specific techniques â drying, smoking, and fermentation â detailing regional variations, types of fish used, environmental conditions, and the cultural importance attached to the final product. From Nordic stockfish to Japanese katsuobushi, the book traces the evolution and cultural context, illustrating how these practices have sustained communities for centuries.