At around 1161 bonus, my crit percentage was hovering around 60. I dropped the thief mundus and my crit dropped back to ~50%, maybe a little lower. Gathering new lorebooks increased my crit percentage by up to .2% for every 2-3 books, all the way up to ~1358 bonus. Between 1358 and 1410, my crit percentage stopped increasing at the previously established rate. When I increased my crit bonus to 1428 by reading another book, my crit percentage dropped two percentage points to to 51.5. The rate of increase has again stalled at 52.6%, so I'm again not receiving any benefit from adding books to Shalidor's Library; adding new books to Shalidors Library is producing unpredictable positive returns, negative returns, and also none at all.
Is anyone else experiencing this, or have you found a way to un-break it?