The Unenchanting Table is used to unenchant enchanted blocks.
The Unenchanting Table is created, by copying the image shown below in a dropper that is facing up, after that you must throw a enchanting on top.
The Unenchanting Table unenchants weapons, tools, and armors to give you their corresponding enchantments. Only working for the last enchantment on the item, also it can't be above its max enchanting level.
Max Level 1
Max Level 2
Max Level 3
Max Level 4
Max Level 5
Download the resource at the link below if you want your books to look like this.
I will be working on something similar but at the moment I don't have enought time.