"Notes on Bookbinding for Libraries" by John Cotton Dana is an instructional manual on the art and practice of bookbinding, written in the early 20th century. This work aims to educate librarians on the processes of binding and rebinding library materials while highlighting the importance of quality and durability in book care. It likely serves as a resource for those looking to better understand both the technical aspects of binding and the practical considerations involved in maintaining a quality library collection. The opening of the book introduces Dana's intentions for the publication, emphasizing that it is meant to provide suggestions rather than definitive answers on bookbinding practices. Dana acknowledges a general lack of knowledge among librarians in America regarding proper binding techniques and expresses a desire for his notes to stimulate interest and improve practices. He briefly recounts his own enlightening experience at a British bindery, reinforcing the need for librarians to engage with the topic actively. Overall, the beginning sets the tone for a comprehensive examination of binding, geared towards improving the longevity and usability of library books. (This is an automatically generated summary.)