[Ah, good! Sayaka gives a brief glance over to the books that Hubert seems to be looking at, but that stuff looks like it's way beyond her understanding. Maybe if she actually inherits her Father's territory she'll have to worry about it, but...]

I was actually wondering if I could get your help in studying this tome? This seems like one of the more advanced ones that the library has, so I'm a little nervous about trying it. As long as I'm not interrupting anything you're doing for Princess Edelgard?

[Better safe than sorry. She'd much rather have a steadier, more experienced hand with this than just asking their teacher. Goddess help their teachers really, they have no experience with this, so she's pretty much on her own...]