Knowledge Book

Knowledge Books are utility items that grant crafting recipes when.

Obtaining
Knowledge Books may only be obtained with the use of commands.

Usage
Knowledge Books are mainly useful for mapmakers; they will instantly unlock any recipe for the player who used it. Recipes are specified using the NBT tag  - without it, Knowledge Books cannot be used. This can be applied to any item with a recipe currently in the game, although in the future they may be used to unlock custom recipes.

For example, to give oneself a Knowledge Book that unlocks the recipes for buckets and flower pots, enter this command:. To change to different items, replace the bucket and flower_pot with the item which you want.

Knowledge Books are especially useful when is set to true, because then any item is only craftable if its recipe is unlocked first.