It would be nice if the books collected in bloody crypt, shadow crypt, and cursed crypt could be used to provide a benefit to puzzle solving in abbot. Normally, people just ditch the books after clearing the quests.
If say book in bloody benefitted roids by adding a 2-3 hit shield,
book in shadow provided a short window of tile visibility or slowing tile fade,
and book in cursed halted dart traps temporarily.
It would be a tradeoff of time collecting the books (shadow requires rerunning all 5, ergo it affects goggles) versus just running the puzzles as normal.