As you increase your book library, it can get a bit difficult to retrieve books. There is a search feature to look up book titles, but did you know that you could create collections?
Collections acts as folders and it is entirely up to you on you would like to structure your collections. It is important to note that you can have a book in multiple folders, so if you have read a book and really liked it, you can create collections "Read" and "Top books".
You can even create collections based on the genre of the books so that when you are given then tall task to recommend books, you can always check your collections.