Is the Encyclopedia Eorzea published in Eorzea?

[Sounsyy]

Technically, the Encyclopedia Eorzea by Naturalist Marcette Manne is already an in-canon book and housing item, and has been for some time. So I think it's fair to say they could... potentially be used interchangeably in RP? Though I have doubts about a lot of the information or character profiles within the book being something that you could just pick up and read about. I doubt Marcette Manne interviewed the Scions of the Seventh Dawn or members of the Illuminati, for example.

Impress your friends with these beautiful leather-bound replicas of naturalist Marcette Manne's comprehensive collection of knowledge. Just do not allow those friends to open any of the volumes, as they are all blank.

Oh dear, I've forgotten my manners. My name is Marcette, and I am a naturalist under the employ of Eorzean Geographic, a publication which surveys the realm's wildlife.

So likely, the in-world Encyclopedia Eorzea has more to do with wildlife than job history, judging by that second quote.