A Pocket Guide to Aversaria (artifact)
A series of pamphlets describing the various cultures and traditions of each of the main governances of Aversaria: Etepezea, Opakhasia, Malcois, Aironoi, Kalathipsomi (both Megos and Mikros), the Apokiakas, and Sarradon. While at least a century out of date (describing Aversaria as "A booming and prospering Empire with no end of its growth in sight"), it's still a somewhat enjoyable read.