Knowledge Book

A knowledge book is a utility item that reveals available crafting recipes to the player when.

Obtaining
Knowledge books can be obtained only by using commands, as it is not found in the creative inventory; therefore, it is impossible to obtain in other modes such as survival and adventure except with commands.

For example, to give oneself a knowledge book that reveals the recipes for buckets and flower pots, use:.

Usage
Knowledge books are used to reveal recipes to the player who uses it, by adding it to their recipe book. Using a knowledge book consumes it, removing it from the player's inventory.

Knowledge books are especially useful to mapmakers in conjunction with, because then any item is craftable only if its recipe is unlocked first.

Item data
Recipe books use the NBT tag  to indicate the recipes they contain.

''The following NBT structure is provided to show how the  tag is organized, and is not comprehensive above the   tag. The full NBT for an item can be found here.''


 * Entity data
 * : The item
 * : Additional information about the item. This tag is optional for most items.
 * : The list of recipes this book contains.
 * the name of a recipe, for instance  or