Quote:
Originally Posted by theducks
Even Easier 
In the Tag editor:
"Rename the tag to an Existing one.
If the title has the old tag only, it fixes all the books with that tag.
If the destination tag already exists for a title, the old one is just deleted |
That is even better!
On the other hand, I just checked, and I actually was able to select multiple tags in the tag editor. So I'm not sure our solutions are needed...? lol
Search tags:fantasy
Bulk metadata add Fantasy to all
Tag editor - select all extras and delete.