How do you build a bookshelf?

To build a bookshelf, start by gathering your materials, including wood boards for the shelves and sides, screws, and wood glue. Cut the wood to your desired dimensions, then assemble the frame by attaching the side panels to the top and bottom using screws or dowels. Once the frame is secure, add the shelves at your preferred heights, securing them with brackets or additional screws. Finally, sand the surfaces for a smooth finish and apply paint or stain if desired.