A Library
That librarian is suspicious. Tethrik knows that Iuvenus is a shapeshifter, and he wouldn't be shocked if he made a second attack here. He finds a card that looks promising. "Here we are. Let's go find it." He shows the card to Armonia. The title is Philosophić Alchemia, and the author is Eon Swain Arctis. Tethrik heads off into the stacks to find the book.