Manuscript.
Manuscripts are items used in crafting.
Obtaining
Natural generation
Manuscripts can be found in chests of either Fire Dragon Roosts, Fire Dragon Caves, Ice Dragon Roosts, Ice Dragon Caves, Lightning Dragon Roosts, Lightning Dragon Caves or in the Graveyards.
Usage
Crafting ingredient
Manuscripts are used to craft Bestiary Lectern and Bestiary (Shapeless Recipe).