[Ion's not going to say anything about the change in attitude (he's had a lot of practice with handling stubborn people in Luceti) but he will throw in a link to the aforementioned guide. And magic book means hey, turn the page and there it is!]

It might be better to read once you get to the village [Didn't he say he could handle that? Ion will just have to come out and hunt him down if he stays out any longer!] but the most important thing to know is this place isn't Auldrant. It's an entirely different world.