A knowledge book has all the crafting recipes present in Minecraft Java Edition. It is fairly useful for those new to the game since crafting recipes can be difficult to remember.

Per the Minecraft Wiki, a knowledge book is considered a utility item that reveals available crafting recipes to the player when used. In Java Edition, many recipes need to be unlocked, and the ...

Making a Book in Minecraft The recipe for a Book only requires two materials, both of which can be obtained easily in the early-game. You can see the exact recipe for a Book below.