If you are turning your closet into a library, install lots of shelving and fill the space with books. Leave blank room between some of the novels and add picture frames, trinkets and other personal items.
@Overstock.com - Kids' Four-tier Shelf - Help your child get organized in style with these kids ladder storage shelves. This colorful shelf is designed to lean against the wall and features medium-density fiberboard (MDF) construction for long-lasting good looks and durability. http://www.overstock.com/Home-Garden/Kids-Four-tier-Shelf/3812806/product.html?CID=214117 $74.99