Use the Tags bar on the Left to help 'build' a search
click the tag in the Tags section 2 time (will no have a red
Minus)
If you look at the search box, you see a
Not Tags:
Since this is a Simple version of a task:
In the results (filtered library list): Ctrl-A (the standard 'Select All' )
Then Right-click: Edit Metadata: Edit in Bulk or simply tap E which does ulk Mode because there was more than 1 book selected
