You can add a paragraph about your favorite book, author and reason.
You can describe the environment and your room in the first paragraph, which is full of books.
You have written your own protection book. Don't squeeze the first paragraph. You can design a new series to add some appearance to your own bookcase. For example, the spine of the book is clearly arranged in shades. You look like a librarian.
The part about buying books can be compared with peacetime. You can write that you are careful when you spend a little money, but you are extravagant when you buy books together.