It seems like magic here is a lot of work ... it's not surprising there'd be something like this.

[ Wiping her formerly sap-covered hand on her robe one more time for good measure, just to make sure she wasn't going to get the pages stuck together, Yako shuffled closer to Majima to let him have a better look at the pages while she skimmed through. ]

Let's see ... well, it seems like it starts out by explaining that most curses and hexes are basically just, um, a mean kind of enchantment. This book explains how you can cure a curse ... or, um, how to try to get back on the good side of whoever cursed you in the first place.

[ She blinked, looking up. ] That sounds useful, don't you think? I wonder if it works on all kinds of enchantments...