3rd floor alcove ( 4, 57, -45 ) /waypoint 4, 57, -45 with the force field (The Lyceum of Naar'Yora). Inspect the left bookcase, 4th shelf (counting from bottom). It should be the last book and doesn't always highlight, so right click the area.
It is possible the get the update while the force field is up. Stand at the left side of the alcove and double-click the side of the bookcase at the height of the update
You have 60 minutes to find and kill 6 books (all 69▲):
a multitome lurker ( -48, 57, 2 ) /waypoint -48, 57, 2 3rd floor near the 'The Book of Power'