Looking to breathe NEW LIFE into old books?I am not advocating for the destruction of books.
2 books with 1" spines
2 thin metal bookends
1x6 board or a board of another dimension to fit your book
Use a sharp craft blade or razor to cut away the contents of the book from its spine.
Wrap the book spine around your lumber to mark where to cut the lumber. I left about a 1/8" gap at the top to achieve a more realistic book effect.
Cut the board to the length you marked. If you don't have a saw at home, you can do this at the lumber yard. They will make cuts for you for free.
Cover the wooden blocks and metal bookends with moderate amounts of Gorilla Glue, as shown above. Don't get too close to the edges or it will seep out. Gorilla Glue foams and expands as it's clamped, which makes for a strong hold, but a messy final product if you're not careful when applying the glue.
Once everything is all glued into place, use clamps to press it all together as the glue sets up. You should use scrap lumber as a buffer between the book and the clamps or the clamps will leave indents in your book. I made the mistake of not doing this, and got some pretty visible denting, especially on my orange book. Thankfully the dents aren't noticeable on my shelves.