How about a stack of shelves for those stacks of books to keep in place. Designed by Je Sung Park, the bookshelves are simply placed one above the other to form a stack. The pill shaped bookshelves looks elegant and the colorful shade makes it amazing décor storage for your home. It is made of flexible inner materials like aluminum or iron and flexible material- rubber or sponge and the outer part is made of plastic. The flexible bookend allows it to move around to adjust the books according to the need.