I recognised the reference, but I didn't know that the book was already published in-setting! What a fun thing to find out that's made me enjoy the update even more.Nobody has yet pointed out that the title of Qrech's book is a reference to The Loathsome Ratmen And All Their Vile Kin, a WHF book which notionally exists in the fiction of the setting and, here's the important part, was published in 2313, a hundred and fifty years ago, and so would be known to Mathilde (I assume it's one of our Imperial Skaven books) and thus probably to Qrech.
Qrech is deliberately trolling the academic establishment with the title of his book. I am so goddamn proud of him.
It also sounds like a great way to end up with entire portions of the library lost mythical after the last living person to know where they are pperishesAnd this is the unique bonus only available because the Head Librarian is a Grey Lady Magister. The main benefits of this that I see are that having a more segregated level of access will make it a lot easier to convince various guilds (especially dwarven guilds) to share some of their knowledge for the Library. Plus, the aesthetic of having a super double-plus secret vault that we can put the Liber Mortis in.
My rough personal preference list goes something like:
Order>Comfort=Preservation>Security>Capacity>Holy
They are. 28 or 30 to 26 for Preservation I think.[X] Preservation
[X] Order
A grand library on a Dwarfhold. I can't see better focus than this. May change later if those two are the top.