When you join the server, you will receive a book virtually.

When you join the server, you can receive a book and display a description window.

Is there a reason to use the Hypixel_Book plugin?:

Yes, there is.

When you log in, you can do an explanation

From the user's point of view, it's comfortable and looks good.

Update patch: Slots can now be as few as 0 to 8. July 16