In the Library you can display your books, treasure maps and some unique items from mods and the vanilla game.
1st Floor
The first floor of the library is accessed from the ground floor of the Hall of Heroes. It consists mostly of bookshelves, a Book Returns and Card Catalog and eight bookcases that are manually fillable. It also contains a section behind a gate, for the display of special books. A Printing Press can also be found here which serves the same purpose as the Scribe's Desk in the Curator's Office.
2nd Floor
The 2nd floor of the Library is dedicated to treasure maps and rare books. The Research Station is also located on this floor.
3rd Floor
The 3rd floor of the library can be accessed from the Upper Gallery of the Hall of Heroes. It has labeled bookshelves which can be used to automatically sort into by the Book Returns. It also contains a lot of Treasure Maps.