Ah, so the floating books is so you don't have to carry them all. Your arms must be tired from all the research.

( Abella taps one of her biceps. ) The rest of us have to make do the old-fashioned way. I had skinny arms when I got here, but all this reading...

( She sighs an overtly silly sigh, to underline the absurdity of the claim. Ah yes, it is the lifting of books that gave her arms that would make [insert analogue for Michaelangelo] weep, and not years of manual labour. It's one hundred percent true, Hermione. )