Depends on which way this window faces. If you are obsessed with plants, turn your book shelve into a plant shelf. Good way to display them and free up your floor space.
Why not add some unique storage in your home, with this rustic bookcase from Holland. Painted in Farrow & Ball Plummett with Valspar Carriage Wheel inside and lightly distressed.
DIY Stenciled Bookcase Project, she painted the bookcase with chalk paint then stenciled a pattern onto the back, looks pretty simple DIY, Do It Yourself,