If you’re displaying books I think it would look nice if you did them in rainbow order (by the color of the spines) you can have decor in the between too. That way it’s decorative and functional 🌈 these acrylic bookends from Amazon let you group the books too if you want to add decor in between MerryNine Plastic Acrylic Bookends Pair Organizer Bookshelf Decor Decorative Bedroom Library Office School Supplies Stationery Gift (Plastic Acrylic_1 Pairs) https://www.amazon.com/dp/B07QKZN57J/ref=cm_sw_r_cp_api_i_E92A36EW1GFN6MTYQ5VW