What is the best way to: How to make a fun vertical bookshelf?

Options:
(a). Run a thick band thread across a bundle of books and staple the thread to a wooden plank, place brackets into the wall and place the plank underneath the brackets for an inverted bookshelf;
(b). Run a thick band thread across a bundle of books and staple the books to a wooden plank, place brackets into the wall and place the plank atop the brackets for an inverted bookshelf;
Answer:
(a).