Originally Posted by mark844
The software creates a category list by querying the books in the various bookshelfs. It's not saved as a list anywhere.
To test, move all except 1 bookshelf from the application folder then restart the librarian application. Only the category's used by the books in that bookshelf are now available.
I confirmed it works like you have indicated and NOW know the reason for the lengthy delay when launching GEBLibrarian (aka eBookwise Librarian).
So to answer the original poster's querry, just ensure that none of your .imp's still use that category with the typo and then that category in the listing will just go away....