This is a mess left over from the Dark Wisp invasion at the end of the Book of Truth event (when the library was piled high with fake books being sorted through looking for the real one). So it is old, but given it involved dark wisps acting as filler in anticipation of this event, not completely irrelevant.
However, each time I check, the shifty-eyed fellow standing in the back corner of that room goes into a battle stance.