Bookbinding has been a quiet passion of mine for years, and repairing damaged spines feels like giving a story a second life. For a hardcover with a detached spine, I start by carefully removing any remaining glue with a soft brush. Acid-free bookbinding glue works wonders—just apply a thin layer to both the spine and cover, then press them together with wax paper and weights overnight.
For paperbacks that have split at the seams, linen hinge tape is my secret weapon. Cut strips slightly shorter than the book's height, align them along the inside spine, and smooth them down with a bone folder. The tape blends invisibly when done right. It's meditative work, really—the faint smell of paper and glue, the satisfaction of seeing pages sit snug again. Bonus tip: Keep silica gel packets nearby to prevent moisture warping during drying.