sets the stage for a comprehensive exploration of bookbinding, beginning with an introduction to its significance and foundational principles. Cockerell emphasizes the necessity of high-quality craftsmanship and materials, presenting a critique of modern binding practices that lead to premature decay of books in libraries. He expresses the intent of the manual as a vital resource for craftsmen, detailing the various methods and materials employed in bookbinding while aiming to instill a sense of responsibility for both the longevity and aesthetic qualities of books. The author's tone is informative and authoritative, geared toward enhancing the skill set of individuals in the field. (This is an automatically generated summary.)