he'd steal them or something
Such was warding the books rather than the entire Restricted Section. However, Quirrel seems to want to keep Harry away from quite a bit of knowledge: not just particular books, but the entire Restricted Section; not just random spell creation bits, but the entire field of spell creation. This suggests to me that there no single book that is problematic, but any book dealing with the topic at all beyond the fake "usual evasions". If that's the case, then he can't do much else - what is he going to do, abscond with an entire wing of the library?
Note that warding books A, B, and C leaks more bits of information than warding all restricted books.
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 90. The previous thread has passed 750 comments.
There is now a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
The first 5 discussion threads are on the main page under the harry_potter tag. Threads 6 and on (including this one) are in the discussion section using its separate tag system. Also: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,18,19.
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: