Urschlar's Lab Journal
This dragon leather bound journal written in ancient Aslanti was discovered in the first vault of madness in a secret lab by the PC’s. It outlined the history of Urschlar and the fall of Saventh-Yhi, through Urschlar poisoning the population with spores of an extraplanar flower.
It also mentions the existance of a cure for the madness of the spores, the Argental Font, which was once in the center of the city, but was moved to a hidden vault by Urschlar.
The PC’s never made an appraisal check on the book so they have no idea how much it is worth.