What?

[ Feferi, too, is confused by this reaction. ]

You're going to use those to fight, right? I just thought one big one might be better! If you use a bunch of little ones, you have to I guess throw them, and then go pick them up, and you might run out before you can get them. If you have a big one, you just... pow!

[ She pantomimes, maybe too well, the act of hitting someone in the head with a very large book. ]

I saw some real big ones in the section with all the books about oceans!