| Name | book_generation | 
| Object | ItemTag | 
| Input | ListTag | 
| Related Tags | <ItemTag.book_generation>Returns the generation of the book (if any), as ORIGINAL, COPY_OF_ORIGINAL, COPY_OF_COPY, or TATTERED. | 
| Description | Sets the generation of the book (if any), as ORIGINAL, COPY_OF_ORIGINAL, COPY_OF_COPY, or TATTERED. | 
| Source | https://github.com/DenizenScript/Denizen/blob/dev/plugin/src/main/java/com/denizenscript/denizen/objects/properties/item/ItemBookGeneration.java#L84 |