Sayanouta's Three Books

Western books are rare ancient books in the library rather than academic books. The title of the book is also a mystery.

Is Ars Magna et Ultima a divination book or a book in other fields? There is also a book, which is a book about markedness theory.

Voynich 75 Manuscripts-Notes on a Theme. There are a few pages of slightly curled and meaningless Latin letters next to them, and the words on them look unreadable.

Landlord, you are really good at solving problems. Such details should have no effect on the game, right? I got through your question in Sayanouta, but I still have no impression.

These three books do not exist outside the game, do they? Anyway, I have never heard of it or seen it. This game seems to have no cause and effect, and there is no overall story background, so these three books have nothing to do with other games.