Shamrock Cabinets can design, build, deliver and install custom bookcases for your den or family room. Traditionally called “built ins”, we can bring this definition to life. Fill in the space on either side of your fireplace or build a custom bookcase in your den or office. Any configuration, any style. We can design a swinging bookcase for a safe room or hidden storage room. From traditional to modern, country to European, any wood type any style.