You will need: some bookshelves, 2-4 looms,some stairs, and some slabs.
Step #1: put your stairs and slabs on a wall in a rectangle shape like in the photo. you can make more than one looplike in the second photo.
Step #2: Fill in the book shelf with bookshelves and sideways looms like empty bookshelves.
Step #3: (optional) You can decorate the shelf with flowers.